Earlier this month, the world received more indicators that the “Green Rush,” once merely on the horizon, is advancing into view with increasing velocity. It really wasn’t long ago that most portrayals of legal cannabis consumers reflected long-held clichés, reinforcing a stereotype that only a certain subset of the populace used cannabis products.
Although global abnormalities in white matter and grey matter are not associated with cannabis abuse, reduced hippocampal volume is consistently found. Amygdalar abnormalities are sometimes reported, although findings are inconsistent. Preliminary evidence suggests that this effect is largely mediated by THC, and that CBD may even have a protective effect.
California’s legalization spurred Dr. Geoffrey Guy and Dr. Brian Whittle to found GW Pharmaceuticals, a company that would utilize clinical trials to unpack various cannabinoid formulations as potential therapies with the overriding focus of developing what would later be known as Sativex (Nabiximols). This oral mucosal spray was made up of CBD and THC in a 1:1 ratio and successfully combated neuropathic pain, spasticity, overactive bladder, and symptoms of multiple sclerosis.
Grant says this may lead to a “dampening” or mellowing of some neurochemical processes, including those linked to pain. “CBD may also react with other receptors, like those for serotonin, and it may have actions that reduce the inflammatory molecules produced whenever there is tissue damage or bacteria coming in,” he says. “But we really don’t know the mechanisms.”
Elixinol has a wide range of products, but their CBD Tincture does the trick. It’s the cream of the crop regarding CBD oils and that reflects in its price. One dropper (1mg) from the 300 series contains 10mg of CBD. This allows you to get precise amounts of CBD and no guess work is required. Elixinol has received numerous awards for their products and extraction process.
While very few clinical trials have explored the pain-relieving effects of CBD oil, a report published in the Cochrane Database of Systematic Reviews in 2018 examined the use of a variety of cannabis-based medicines and found they might be of some benefit in the treatment of chronic neuropathic pain. A type of pain triggered by damage to the somatosensory system (i.e., the system responsible for processing sensory stimuli), neuropathic pain often occurs in people with conditions like diabetes and multiple sclerosis.
The 2018 Farm Bill officially reclassifies hemp for commercial uses after decades of statutes and legal enforcement conflating hemp and marijuana, the Farm Bill distinguishes between the two by removing hemp from the Controlled Substances Act. (While the two are closely related, hemp lacks the high concentration of THC that is responsible for the high from smoking marijuana.) This would effectively move regulation and enforcement of the crop from the purview of the Drug Enforcement Agency to the U.S. Department of Agriculture.
Dispensaries are charging 30 bucks and ounce for Hemp Oil so they have no economic incentive to derive the CBD from Marijuana. I found that it was like pulling teeth, just to get the to admit the CBD oil came from Hemp. They isolate the CBD and then add it back to the Oil. This means there is no THC or Terpenes or any of the beneficial compounds found in marijuana.
Yet, even with this progress, hemp businesses seem to face difficulty expanding in the US as they face challenges in traditional marketing and sales approaches. According to a case study done by Forbes, hemp businesses and startups have had difficulty marketing and selling non-psychoactive hemp products, as some online advertising platforms and financial institutions do not distinguish between hemp and marijuana.
Studies at Bejing's Hemp Research Center revealed the variety of plant uses, prompting China to expand its hemp production which is a mere fraction of its world-leading cotton production. China not only has the product, but they have the cultivation techniques and commercial technologies to capitalize on that supply. And they are ramping up to leverage their competitive hemp advantage, expecting an eager demand from U.S. manufacturers given hemp's rise in popular applications.
Cannabinoids may offer significant “side benefits” beyond analgesia. These include anti-emetic effects, well established with THC, but additionally demonstrated for CBD (Pertwee 2005), the ability of THC and CBD to produce apoptosis in malignant cells and inhibit cancer-induced angiogenesis (Kogan 2005; Ligresti et al 2006), as well as the neuroprotective antioxidant properties of the two substances (Hampson et al 1998), and improvements in symptomatic insomnia (Russo et al 2007).
"Many EU countries lifted their bans on hemp production in the 1990s and, until recently, also subsidized the production of 'flax and hemp' under the EU’s Common Agricultural Policy.32 EU hemp acreage was reported at about 26,000 acres in 2010, which was below previous years, when more than 50,000 acres of hemp were under production.33 Most EU production is of hurds, seeds, and fibers. Other non-EU European countries with reported hemp production include Russia, Ukraine, and Switzerland. Other countries with active hemp grower and/or consumer markets are Australia, New Zealand, India, Japan, Korea, Turkey, Egypt, Chile, and Thailand."
Based on world production of fibers in 1999, about 54.5% was synthetic (of which 60.3% was polyester), 42.9% was plant fiber (of which 78.5% was cotton), and 2.6% was wool (Karus 2000). In addition to cotton, flax is the only other significant plant fiber crop grown in temperate regions of the world (kenaf has received some enthusiastic backing in the southern US in recent years, but is most cheaply produced in India, Bangladesh, and China). Flax held 2.7% of the world plant fiber market in 1999, while hemp had only 0.3% (Karus 2000). Hemp fiber can potentially replace other biological fibers in many applications, but also, as noted below, can sometimes compete with minerals such as glass fiber and steel. As forests diminish, cultivation of annual plants as fiber sources is likely to increase. While crop residues like cereal straw will probably supply much of the need, specialty fiber plants such as hemp also have potential. The four conditions that will need to be met are (after Bolton 1995): (1) the material should be produced at a large enough scale; (2) the price should be low enough; (3) the fiber characteristics should be adequate for the end use; and (4) proven technology should be available for the processing of the new raw material. Of these criteria only point 3 is adequately met at this time for hemp in North America, but this is to be expected in a crop that has only begun to be cultivated after an absence of many years.
Other potential side effects include low blood pressure, lightheadedness, and drowsiness, but these have typically only occurred in patients who have exceeded doses of 1,500 mg daily for a period of 4 weeks or more; far more than the average person will need take on a daily basis for chronic pain symptoms. (In fact, the majority of CBD users claim they find an effective dose to be anywhere between 10 and 40 mg daily).
Cognitive effects of cannabis have been reviewed (Russo et al 2002; Fride and Russo 2006), but less study has occurred in therapeutic contexts. Effects of chronic heavy recreational cannabis usage on memory abate without sequelae after a few weeks of abstinence (Pope et al 2001). Studies of components of the Halstead-Reitan battery with Sativex in neuropathic pain with allodynia have revealed no changes vs placebo (Nurmikko et al 2007), and in central neuropathic pain in MS (Rog et al 2005), 4 of 5 tests showed no significant differences. While the Selective Reminding Test did not change significantly on Sativex, placebo patients displayed unexpected improvement.
What is cannabis?Cannabis is a drug that comes from Indian hemp plants such as Cannabis sativa and Cannabis indica. The main active chemical in cannabis is THC (delta-9 tetrahydrocannabinol).Cannabis is a depressant drug. Depressant drugs do not necessarily make you feel depressed. Rather, they slow down the activity of the central nervous system and the messages going between the brain and the body. When large doses of cannabis are taken it may also produce hallucinogenic effects.For information on synthetic cannabinoids, see our "Legal high" facts page.Other namesCannabis is also known as grass, pot, hash, weed, reefer, dope, herb, mull, buddha, ganja, joint, stick, buckets, cones, skunk, hydro, yarndi, smoke and hooch.What does cannabis look like?Leaves from the cannabis plant are bright green and have a distinctive shape with five or seven leaflets. The flowering tops and upper leaves are covered in a sticky resin.Cannabis is used for the psychoactive (mind and mood-altering) effects of THC and other active ingredients. THC is the chemical in cannabis that makes you feel “high”.There are three main forms of psychoactive cannabis: marijuana, hashish and hash oil.Marijuana is the most common and least potent form of cannabis. Marijuana is the dried leaves and flowers of the plant.Hashish (“hash”) is dried cannabis resin, usually in the form of a small block. The concentration of THC in hashish is higher than in marijuana, producing stronger effects.Hash oil is a thick, oily liquid, golden brown to black in colour, which is extracted from cannabis. Hash oil is the strongest form of cannabis.How and why is it used?The different forms of cannabis are used in different ways:Marijuana is smoked in hand-rolled cigarettes (joints), or in a pipe (a bong).Hashish is usually added to tobacco and smoked, or baked and eaten in foods such as hash cookies.Hash oil is usually spread on the tip or paper of a cigarette and then smoked.Cannabis and hash can also be smoked in a vaporiser. Vaporisers heat cannabis to temperatures that release its active ingredients while minimising the toxins associated with burning.The THC in cannabis is absorbed into the bloodstream through the walls of the lungs (if smoked), or through the walls of the stomach and intestines (if eaten). The bloodstream carries the THC to the brain, producing the “high” effects. Drugs inhaled get into the bloodstream quicker than those eaten. This means that the effects of cannabis when smoked occur more rapidly than when eaten.Paper and textilesSome species of cannabis have few psychoactive effects. These plants are used to produce hemp fibre for use in paper, textiles and clothing.Medical usesCannabis has been used for medical purposes for many centuries. It has been reported that cannabis may be useful to help conditions such as:nausea and vomiting, particularly when associated with chemotherapywasting and severe weight loss, in people with HIV/AIDS, cancer, or anorexia nervosa, as it may be used as an appetite stimulantpain relief, for example in people with cancer and arthritisrelief from symptoms of some neurological disorders that involve muscle spasms, including multiple sclerosis and spinal cord injuryglaucomaepilepsyasthma.For more information, please click on the Australian Drug Foundation's DrugInfo Clearinghouse web site link below.
Cannabis research is very much a research field. Patients need the insights that a hundred years of pharmaceutical science has done for every other plant-derived medicine that’s presently in use, by identifying each of the active ingredients, and then weighing them out milligram by milligram, so that patients know exactly what they’re taking. The Government needs to do it’s part, by moving out of the way and allowing researchers to carry out studies…at present, DEA won’t allow studies to be done and this interferes with scientific research into what’s in cannabis and why the substances in cannabis work for people. But cannabis supporters must do their part as well. Hiding from the scientific method, and hurling bizarre conspiracy theories around to impugn the motives of science researchers, is making cannabis medicine less reliable than it needs to be, for the people whose lives most depend on it. We’ve known since 1974 that something in cannabis can stop cancers from growing. Don’t we deserve to know why this works?
The main difference between the two is in its chemical composition, specifically in tetrahydrocannabinol (THC). THC is the chemical responsible marijuana’s psychological effects.An average batch of marijuana contains anywhere from 5-20% THC content. Some premium marijuana can have up to 25-30% THC. Hemp, on the other hand, has a max THC level of 0.3%, essentially making it impossible to feel any psychoactive effect or get a “high”. This threshold is heavily regulated in other countries that have legalized hemp.Hemp also has high cannabidiol (CBD) content that acts as THC’s antagonist, essentially making the minimal amount of THC useless.
"There is little information about DEA’s permit process and on facilities that are licensed to grow hemp, even for research purposes. Previously reports indicated that DEA had issued a permit for an experimental quarter-acre plot at the Hawaii Industrial Hemp Research Program during the period from 1999 to 2003 (now expired).69 Most reports indicate that DEA continues to be reluctant to grant licenses to grow hemp, even for research purposes.70 Recent indications are that some land grant university researchers may have been granted licenses to conduct hemp research under certain conditions.71
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"Between 1914 and 1933, in an effort to stem the use of Cannabis flowers and leaves for their psychotropic effects, 33 states passed laws restricting legal production to medicinal and industrial purposes only.37 The 1937 Marihuana Tax Act defined hemp as a narcotic drug, requiring that farmers growing hemp hold a federal registration and special tax stamp, effectively limiting further production expansion.
Male hemp plants flower much faster than females and do not produce nearly as much fiber. In stark contrast to marijuana fields, most female hemp fields include sporadically placed males. The male hemp plants release pollen for the female hemp plant to produce seeds that will either be used for future crops or sold as food. In marijuana fields, males are typically eliminated to ensure the maximum production of sensimilla flowers.
Hemp fiber has been used extensively throughout history, with production climaxing soon after being introduced to the New World. For centuries, items ranging from rope, to fabrics, to industrial materials were made from hemp fiber. Hemp was also commonly used to make sail canvas. The word "canvas" is derived from the word cannabis. Pure hemp has a texture similar to linen. Because of its versatility for use in a variety of products, today hemp is used in a number of consumer goods, including clothing, shoes, accessories, dog collars, and home wares. For clothing, in some instances, hemp is mixed with lyocell
Hemp is completely different from marijuana in its function, cultivation and application. But these differences didn’t stop our political leaders from getting confused and accidentally grouping all Cannabis species as a Schedule I Drug and banning it in 1970 under the Controlled Substances Act. Even after 45 years, the government still seems to have some confusion in distinguishing the two plants. Although legislation is being made, progress has been slow.In its application, hemp and marijuana serve completely different purposes. Marijuana, as it is widely known, is used for medicinal or recreational purposes. Hemp is used in variety of other applications that marijuana couldn’t possibly be used in. These include healthy dietary supplements, skin products, clothing, and accessories. Overall, hemp is known to have over 25,000 possible applications.
"Because of the compositional differences between the drug and fiber varieties of cannabis, farmers growing either crop would necessarily want to separate production of the different varieties or cultivars. This is particularly true for growers of medicinal or recreational marijuana in an effort to avoid cross-pollination with industrial hemp, which would significantly lower the THC content and thus degrade the value of the marijuana crop. Likewise, growers of industrial hemp would seek to avoid cross-pollination with marijuana plants, especially given the illegal status of marijuana. Plants grown of oilseed are also marketed according to the purity of the product, and the mixing of off-type genotypes would degrade the value of the crop.8
In 1972, the Dutch government divided drugs into more- and less-dangerous categories, with cannabis being in the lesser category. Accordingly, possession of 30 grams or less was made a misdemeanor. Cannabis has been available for recreational use in coffee shops since 1976. Cannabis products are only sold openly in certain local "coffeeshops" and possession of up to 5 grams for personal use is decriminalised, however: the police may still confiscate it, which often happens in car checks near the border. Other types of sales and transportation are not permitted, although the general approach toward cannabis was lenient even before official decriminalisation.
Some users speculate about appropriate dosages or methods of application—including whether or not a small amount of THC boosts CBD’s effects, or whether different methods of administration lead to quicker or more significant effects. Some CBD producers also claim that it has a cumulative effect, and so needs to be used regularly to produce a benefit. But Grant says it’s tough to say at this point exactly how people should (or shouldn’t) be using CBD.
The cost of treatment varies: Depending on the dispensary and the dosage, it can range from around $100 a month to more than $1,000. Despite the cost, which is not covered by insurance, CBD medicines are drawing great interest for children with severe, intractable epilepsy. California and Colorado, which were among the first states to legalize medical marijuana, have become hot spots for such patients. Before other states legalized medicinal CBD use, some families moved to these states so they could have access to the compound.
Short-term use increases both minor and major adverse effects. Common side effects include dizziness, feeling tired, vomiting, and hallucinations. Long-term effects of cannabis are not clear. Concerns including memory and cognition problems, risk of addiction, schizophrenia in young people, and the risk of children taking it by accident.
It often takes 10 to 15 years for the industry associated with a new agricultural crop to mature. While it is true that foreign imports have been the basis for hemp products in North America for at least a decade, North American production is only 4 years of age in Canada, and farming of hemp in the US has not even begun. Viewed from this perspective, the hemp industry in North America is still very much in its infancy. Varieties of hemp specifically suited to given products and regions have only started to be developed in North America. There is considerable uncertainty regarding yields, costs of production, harvesting and processing equipment, product characteristics, foreign competition, governmental support, and the vagaries of the regulatory environment. Hemp is not presently a standard crop, and is likely to continue experiencing the risks inherent in a small niche market for some time. Hemp is currently a most uncertain crop, but has such a diversity of possible uses, is being promoted by extremely enthusiastic market developers, and attracts so much attention that it is likely to carve out a much larger share of the North American marketplace than its detractors are willing to concede.
According to the U.S. Department of Health and Human Services, 116 people died every-day from opioid-related drug overdoses in 2016. Forty percent of these deaths involved a prescription opioid and in 2017, the government declared the opioid crisis a public health emergency. Opioids are typically prescribed by health care providers as a way to manage and treat pain. But what if there was a better solution?
Because hemp-derived CBD currently lacks labeling and purity standards that are required of cannabis products sold at legal dispensaries, it exists in a regulatory limbo that laws don’t yet address. In the meantime, the Los Angeles County Department of Public Health has announced that starting in July, putting CBD in food products will cost businesses points on their health inspections.
“Only 30 percent of CBD products purchased contained an actual CBD content that was within 10 percent of the amount listed on the product label,” reads a press release about the JAMA study. “While studies have not shown that too much CBD can be harmful, products containing either too little or too much CBD than labeled could negate potential clinical benefit to patients. Further, the variability across products may make it troublesome for patients to get a reliable effect.”
Other desirable features of hemp fibers are strength and durability (particularly resistance to decay), which made hemp useful in the past for rope, nets, sail-cloth, and oakum for caulking. During the age of sailing ships, Cannabis was considered to provide the very best of canvas, and indeed this word is derived from Cannabis. Several factors combined to decrease the popularity of hemp in the late 19th and early 20th centuries. Increasing limitation of cheap labor for traditional production in Europe and the New World led to the creation of some mechanical inventions, but too late to counter growing interest in competitive crops. Development of other natural fibers as well as synthetic fibers increased competition for hemp’s uses as a textile fiber and for cordage. Hemp rag had been much used for paper, but the 19th century introduction of the chemical woodpulping process considerably lowered demand for hemp. The demise of the sail diminished the market for canvas. Increasing use of the plant for drugs gave hemp a bad image. All this led to the discontinuation of hemp cultivation in the early and middle parts of the 20th century in much of the world where cheap labor was limited. In the 19th century softer fabrics took over the clothing market, and today, hemp constitutes only about 1% of the natural fiber market. At least some production of hemp for fiber still occurs in Russia, China, the Ukraine, Poland, Hungary, the countries of the former Yugoslavia, Romania, Korea, Chile, and Peru. There has been renewed interest in England, Australia, and South Africa in cultivating fiber hemp. Italy has an outstanding reputation for high-quality hemp, but productivity has waned for the last several decades. In France, a market for high-quality paper, ironically largely cigarette paper, has developed (such paper is completely free of the intoxicating resin). Modern plant breeding in Europe has produced several dozen hemp strains, although by comparison with other fiber crops there are relatively few described varieties of hemp. Since World War II, breeding has been concerned most particularly with the development of monoecious varieties. Gehl (1995) reviewed fiber hemp development in Canada in the early 20th century, and concluded that the prospects for a traditional fiber industry were poor. However, as outlined below, there are now many non-traditional usages for hemp fiber which require consideration. Hemp long fiber is one of the strongest and most durable of natural fibers, with high tensile strength, wet strength, and other characteristics that make it technically suited for various industrial products (Karus and Leson 1996).
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In the meantime, there’s virtually no way for consumers to feel confident about what or how much they’re taking when they buy a CBD cookie, and dosage has a big impact on what we know about CBD’s effects so far. How transparent a bakery or coffee shop decides to be about its sourcing and dosing is completely up to them. “It’s actually really hard to get pure CBD. It’s really expensive, and there’s a limited number of high-grade producers across the world,” Blessing says. “If I’m a coffee company that’s coming onto the scene and I want to make some money, I don’t really want to put a lot of stuff in it.”
The glutamatergic system is integral to development and maintenance of neuropathic pain, and is responsible for generating secondary and tertiary hyperalgesia in migraine and fibromyalgia via NMDA mechanisms (Nicolodi et al 1998). Thus, it is important to note that cannabinoids presynaptically inhibit glutamate release (Shen et al 1996), THC produces 30%–40% reduction in NMDA responses, and THC is a neuroprotective antioxidant (Hampson et al 1998). Additionally, cannabinoids reduce hyperalgesia via inhibition of calcitonin gene-related peptide (Richardson et al 1998a). As for Substance P mechanisms, cannabinoids block capsaicin-induced hyperalgesia (Li et al 1999), and THC will do so at sub-psychoactive doses in experimental animals (Ko and Woods 1999). Among the noteworthy interactions with opiates and the endorphin/enkephalin system, THC has been shown to stimulate beta-endorphin production (Manzanares et al 1998), may allow opiate sparing in clinical application (Cichewicz et al 1999), prevents development of tolerance to and withdrawal from opiates (Cichewicz and Welch 2003), and rekindles opiate analgesia after a prior dosage has worn off (Cichewicz and McCarthy 2003). These are all promising attributes for an adjunctive agent in treatment of clinical chronic pain states.
Smaller companies focused on CBD beverages, such as New Age Beverages Corp. NBEV, -1.47% , have been targeted by investors, but some firms have used CBD-related announcements to pump stock prices as well as fuel excitement in a compound that scientists do not fully understand. Other companies operating in the sector will benefit too: Charlotte’s Web Holdings Inc. CWBHF, +5.11% has focused on a range of CBD products, capturing about 17% market share in 2017 with sales in 3,000 retail locations, according to PI Financial research.
THC and its major (inactive) metabolite, THC-COOH, can be measured in blood, urine, hair, oral fluid or sweat using chromatographic techniques as part of a drug use testing program or a forensic investigation of a traffic or other criminal offense. The concentrations obtained from such analyses can often be helpful in distinguishing active use from passive exposure, elapsed time since use, and extent or duration of use. These tests cannot, however, distinguish authorized cannabis smoking for medical purposes from unauthorized recreational smoking. Commercial cannabinoid immunoassays, often employed as the initial screening method when testing physiological specimens for marijuana presence, have different degrees of cross-reactivity with THC and its metabolites. Urine contains predominantly THC-COOH, while hair, oral fluid and sweat contain primarily THC. Blood may contain both substances, with the relative amounts dependent on the recency and extent of usage.
Fiberboard. In North America the use of nonwood fibers in sheet fiberboard (“pressboard” or “composite board”) products is relatively undeveloped. Flax, jute, kenaf, hemp, and wheat straw can be used to make composite board. Wheat straw is the dominant nonwood fiber in such applications. Although it might seem that hemp bast fibers are desirable in composite wood products because of their length and strength, in fact the short fibers of the hurds have been found to produce a superior product (K. Domier, pers. commun.). Experimental production of hemp fiberboard has produced extremely strong material (Fig. 22). The economic viability of such remains to be tested. Molded fiberboard products are commercially viable in Europe (Fig. 23), but their potential in North America remains to be determined.
"Following enactment of the 2014 farm bill provision allowing for growing hemp under certain circumstances, several states have quickly been adopting new state laws to allow for cultivation. To date, more than 30 states or territories have enacted or introduced legislation favorable to hemp cultivation (Figure 6). Other states reportedly considering hemp legislation include Alaska, Arizona, Florida, Georgia, Iowa, Kansas, Massachusetts, Mississippi, New Mexico, South Dakota, Texas, and Wisconsin.53 (The status of state actions regarding hemp is changing rapidly, and information differs depending on source.54)
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I am a former family doctor and naturopathic physician as well as a medical editor and author, working mostly in academic research. In my practice I have always focused on natural medicine and helped my patients of all ages who haven’t responded to traditional treatments. I also have written a significant number of articles in botanical medicine, addiction, drugs. As of now I'm focused on cannabis researches, especially on cannabidiol, its health benefits and how it can improve life of people with severe diseases. You can read my articles here on CBDreamers
"Both hemp and marijuana also have separate definitions in statute. While marijuana is defined in U.S. drug laws, Congress established a statutory definition for industrial hemp as “the plant Cannabis sativa L. and any part of such plant, whether growing or not, with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis” as part of the 2014 farm bill.4 Hemp is generally characterized by plants that are low in delta-9 tetrahydrocannabinol (delta-9 THC), the dominant psychotrophic ingredient in Cannabis sativa.5
The plant is also known as hemp, although this term is often used to refer only to varieties of Cannabis cultivated for non-drug use. Cannabis has long been used for hemp fibre, hemp seeds and their oils, hemp leaves for use as vegetables and as juice, medicinal purposes, and as a recreational drug. Industrial hemp products are made from cannabis plants selected to produce an abundance of fiber. To satisfy the UN Narcotics Convention, some cannabis strains have been bred to produce minimal levels of tetrahydrocannabinol (THC), the principal psychoactive constituent. Some strains have been selectively bred to produce a maximum of THC (a cannabinoid), the strength of which is enhanced by curing the flowers. Various compounds, including hashish and hash oil, are extracted from the plant.
Thapa, D., Toguri, J. T., Szczesniak, A. M., & Kelly, A. E. M. (2017, April 1). The non-psychoactive phytocannabinoid, cannabidiol (CBD), and the synthetic derivatives, HU308 and CBD-DMH, reduces hyperalgesia and inflammation in a mouse model of corneal injury [Abstract]. FASEB Journal. Retrieved from https://www.fasebj.org/doi/abs/10.1096/fasebj.31.1_supplement.811.7
Cannabis is the most widely used illicit drug. Over 100 phytocannabinoids, as well as terpenoids, fatty acids, and other compounds with health relevance, have been found in Cannabis. The pharmacological importance of cannabinoids has been intensively studied. Multiple mechanisms of the effects of cannabinoids on the nervous system are being elucidated. Cannabinoids have anti-inflammatory, antioxidant, immunomodulatory, antimicrobial, and anticancer activities. Hemp seed oil and terpenoids have health-promoting effects. The relationship between Cannabis chemotype and genotype is being revealed by chemical and genetic analyses. Various omics platform facilitate the basic and applied studies of Cannabis plants. An expanded Cannabaceae family, which consists of six genera, is advocated. This chapter summarizes the recent research progress of phytochemistry, pharmacology, and omics of Cannabis plants.
Another claim is that Mellon, Secretary of the Treasury and the wealthiest man in America at that time, had invested heavily in DuPont's new synthetic fiber, nylon, and believed[dubious – discuss] that the replacement of the traditional resource, hemp, was integral to the new product's success. The company DuPont and many industrial historians dispute a link between nylon and hemp, nylon became immediately a scarce commodity.[clarification needed] Nylon had characteristics that could be used for toothbrushes (sold from 1938) and very thin nylon fiber could compete with silk and rayon in various textiles normally not produced from hemp fiber, such as very thin stockings for women.
Some jurisdictions use free voluntary treatment programs and/or mandatory treatment programs for frequent known users. Simple possession can carry long prison terms in some countries, particularly in East Asia, where the sale of cannabis may lead to a sentence of life in prison or even execution. Political parties, non-profit organizations, and causes based on the legalization of medical cannabis and/or legalizing the plant entirely (with some restrictions) have emerged in such countries as China and Thailand.
Luke Zigovits, chief executive of Wisconsin-based Hemp Science, said, “We can finally relax. Because now we can source seed, now we can sell our product across state lines. Prohibition is over. It broadens horizons, allowing universities to do research, for example.” Beyond moving the industry into legitimacy, Zigovits said there are opportunities for tobacco farmers in Wisconsin and elsewhere to start growing industrial hemp crops as well.
The genus Cannabis was formerly placed in the nettle (Urticaceae) or mulberry (Moraceae) family, and later, along with the genus Humulus (hops), in a separate family, the hemp family (Cannabaceae sensu stricto). Recent phylogenetic studies based on cpDNA restriction site analysis and gene sequencing strongly suggest that the Cannabaceae sensu stricto arose from within the former family Celtidaceae, and that the two families should be merged to form a single monophyletic family, the Cannabaceae sensu lato.
Earlier this month, the world received more indicators that the “Green Rush,” once merely on the horizon, is advancing into view with increasing velocity. It really wasn’t long ago that most portrayals of legal cannabis consumers reflected long-held clichés, reinforcing a stereotype that only a certain subset of the populace used cannabis products.
Cannabis is indigenous to Central Asia and the Indian subcontinent, and its use for fabric and rope dates back to the Neolithic age in China and Japan. It is unclear when cannabis first became known for its psychoactive properties; some scholars suggest that the ancient Indian drug soma, mentioned in the Vedas, was cannabis, although this theory is disputed.
CBD research is still in its infancy because both the substance itself and the cultivation of the plants from which it’s derived have long been illegal in the United States. And despite all those cookies you see for sale, CBD does seem to remain illegal, unless FDA approved. In December, hemp cultivation was legalized nationwide as a provision of the Agriculture Improvement Act of 2018. But the FDA released a statement explicating the agency’s stance on CBD’s legality: In short, the FDA does not recognize a distinction between cannabis- and hemp-derived CBD and, for the time being, considers both to be illegal—especially as a questionably safe food additive. Although CBD isn’t dangerous to healthy people, it can affect how the body metabolizes certain types of medication, which Blessing says could lead to overdose in some cases. (Because of the government shutdown, the FDA is unavailable to explain its stance or enforcement plans in further detail.)
In Canada, the methodology used for analyses and sample collection for THC analysis of hemp plantings is standardized (at the Health Canada/Therapeutics Program/Hemp web site at www.hc-sc.gc.ca/hpb-dgps/therapeut/htmleng/hemp.html, see “Industrial Hemp Technical Manual” for procedures on sampling plant materials and chemical procedures for determining THC levels). The regulations require that one of the dozen independent laboratories licensed for the purpose conduct the analyses and report the results to Health Canada. Sample collection is also normally carried out by an independent authorized firm. The Canadian system of monitoring THC content has rigidly limited hemp cultivation to cultivars that consistently develop THC levels below 0.3%.
As a result of intensive selection in cultivation, Cannabis exhibits many sexual phenotypes that can be described in terms of the ratio of female to male flowers occurring in the individual, or typical in the cultivar. Dioecious varieties are preferred for drug production, where the female flowers are used. Dioecious varieties are also preferred for textile fiber production, whereas monoecious varieties are preferred for pulp and paper production. It has been suggested that the presence of monoecy can be used to differentiate licit crops of monoecious hemp from illicit drug crops. However, sativa strains often produce monoecious individuals, probably as a result of inbreeding.
Generalized pain, for instance, has dozens upon dozens of high profile research and clinical studies that have been carried out in universities and laboratories around the globe. One of the most well-publicized of these studies took place back in 2008, in which results determined that “cannabinoid analgesics (pain relievers) have generally been well tolerated in clinical trials … with acceptable adverse event profiles (meaning acceptable effectiveness for practical use).
That headache study cites research linking CBD to lower rates of anxiety. (Since anxiety often produces headaches, the authors say, CBD could be a plausible headache remedy if those anti-anxiety benefits are legit.) Grant says he’s looked at the literature on CBD and anxiety, and some of it is enticing. He mentions a Brazilian study, for instance, that found people with a fear of public speaking felt less anxiety and less discomfort about their phobia after taking CBD, compared to those who took a placebo.
Oral dronabinol (THC) is marketed in synthetic form as Marinol® (Solvay Pharmaceuticals) in various countries, and was approved in the USA for nausea associated with chemotherapy in 1985, and in 1992 for appetite stimulation in HIV/AIDS. Oral dronabinol’s expense, variability of action, and attendant intoxication and dysphoria have limited its adoption by clinicians (Calhoun et al 1998). Two open label studies in France of oral dronabinol for chronic neuropathic pain in 7 subjects (Clermont-Gnamien et al 2002) and 8 subjects (Attal et al 2004), respectively, failed to show significant benefit on pain or other parameters, and showed adverse event frequently requiring discontinuation with doses averaging 15–16.6 mg THC. Dronabinol did demonstrate positive results in a clinical trial of multiple sclerosis pain in two measures (Svendsen et al 2004), but negative results in post-operative pain (Buggy et al 2003) (Table 1). Another uncontrolled case report in three subjects noted relief of intractable pruritus associated with cholestatic jaundice employing oral dronabinol (Neff et al 2002). Some authors have noted patient preference for whole cannabis preparations over oral THC (Joy et al 1999), and the contribution of other components beyond THC to therapeutic benefits (McPartland and Russo 2001). Inhaled THC leads to peak plasma concentration within 3–10 minutes, followed by a rapid fall while levels of intoxication are still rising, and with systemic bioavailability of 10%–35% (Grotenhermen 2004). THC absorption orally is slow and erratic with peak serum levels in 45–120 minutes or longer. Systemic bioavailability is also quite low due to rapid hepatic metabolism on first pass to 11-hydroxy-THC. A rectal suppository of THC-hemisuccinate is under investigation (Broom et al 2001), as are transdermal delivery techniques (Challapalli and Stinchcomb 2002). The terminal half-life of THC is quite prolonged due to storage in body lipids (Grotenhermen 2004).
Consumers report using CBD for a huge variety of health and wellness reasons, but a lot more research is needed to determine which symptoms and ailments it works best for. Currently, there are more than 40 clinical trials enrolling patients to examine the effectiveness of CBD for a variety of diseases, including substance use disorder, chronic pain, post-traumatic stress disorder (PTSD), depression, schizophrenia, and many others. Most importantly, CBD is incredibly safe, and not addictive. Even young children can tolerate daily doses of up to twenty milligrams (20 mg) per kilogram (1 kg) of body weight (for a 175 pound adult, that’s more than 1,500 mg). The most common side effect of high-dose CBD is sleepiness.
Hemp does best on a loose, well-aerated loam soil with high fertility and abundant organic matter. Well-drained clay soils can be used, but poorly-drained clay soils are very inappropriate because of their susceptibility to compaction, which is not tolerated. Young plants are sensitive to wet or flooded soils, so that hemp must have porous, friable, well-drained soils. Sandy soils will grow good hemp, provided that adequate irrigation and fertilization are provided, but doing so generally makes production uneconomical. Seedbed preparation requires considerable effort. Fall plowing is recommended, followed by careful preparation of a seedbed in the spring. The seedbed should be fine, level, and firm. Seed is best planted at 2–3 cm (twice as deep will be tolerated). Although the seedlings will germinate and survive at temperatures just above freezing, soil temperatures of 8°–10°C are preferable. Generally hemp should be planted after danger of hard freezes, and slightly before the planting date of maize. Good soil moisture is necessary for seed germination, and plenty of rainfall is needed for good growth, especially during the first 6 weeks. Seeding rate is specific to each variety, and this information should be sought from the supplier. Fiber strains are typically sown at a minimum rate of 250 seeds per m2 (approximately 45 kg/ha), and up to three times this density is sometimes recommended. In western Europe, seeding rates range from 60–70 kg/ha for fiber cultivars. Recommendations for seeding rates for grain production vary widely, from 10–45 kg/ha. Densities for seed production for tall, European, dual-purpose cultivars are less than for short oilseed cultivars. Low plant densities, as commonly found in growing tall European cultivars for seed, may not suppress weed growth adequately, and under these circumstances resort to herbicides may pose a problem for those wishing to grow hempseed organically. Hemp requires about the same fertility as a high-yielding crop of wheat. Industrial hemp grows well in areas that corn produces high yields. Growing hemp may require addition of up to 110 kg/ha of nitrogen, and 40–90 kg/ha of potash. Hemp particularly requires good nitrogen fertilization, more so for seed production than fiber. Adding nitrogen when it is not necessary is deleterious to fiber production, so that knowledge of the fertility of soils being used is very important. Organic matter is preferably over 3.5%, phosphorus should be medium to high (>40 ppm), potassium should be medium to high (>250 ppm), sulfur good (>5,000 ppm), and calcium not in excess (<6,000 ppm).
Overall, researchers agree that while there isn’t conclusive data to support CBD oil as the preferred method of pain management, these types of products have a lot of potential. CBD products might be able to offer relief for many people who have chronic pain, all without causing intoxication and dependence. Oil versions of CBD may not be as effective as other forms, and more human studies are needed.
Locsta....I share your pain of degenerative and bulging disk disease, along with fibromyalgia, chronic fatigue and arthritis. Absolutely no energy and chronic pain all day, every day. I'm curious as to what type and brand of the CBD oil you are taking and for how long have you been using it? I've been researching CBD oil for months and am quite confused!
One of the reasons hemp fiber has been valued is because of its length. The primary bast fibers in the bark are 5–40 mm long, and are amalgamated in fiber bundles which can be 1–5 m long (secondary bast fibers are about 2 mm long). The woody core fibers are short—about 0.55 mm—and like hardwood fibers are cemented together with considerable lignin. The core fibers are generally considered too short for high grade paper applications (a length of 3 mm is considered ideal), and too much lignin is present. While the long bast fibers have been used to make paper almost for 2 millennia, the woody core fibers have rarely been so used. Nevertheless it has been suggested that the core fibers could be used for paper making, providing appropriate technology was developed (de Groot et al. 1998). In any event, the core fibers, have found a variety of uses, as detailed below. The long, lignin-poor bast fibers also have considerable potential to be used in many non-paper, non-textile applications, as noted below.
Kent, My mother has suffered from severe migraines since she was a child. Six weeks ago, she received the hemp oil tincture (I do not know what dosage). She does not take it daily. She rubs a drop or two on her temples at the start of a migraine. The drops worked more effectively for her than her medication did, and now that is all she uses. Hope this helps.
When formulating a CBD regimen for a specific disease or illness (like chronic or neurological pain), it’s important to understand that CBD should be used regularly for maximum relief. Meaning it should be used as a preventative first – it can also be used to manage acute flare ups, but the preventative maintenance is most important! Think about it like any other dietary supplement, you want to establish a baseline concentration in your system.
The main and only ingredient in CBD Pain Cream is Cannabidiol. This comes from the Marijuana plant, which has over 400 chemicals in it. Now, this won’t get you high, as it contains no THC. And, CBD is completely legal in all 50 states. Truly, CBD is a breakthrough for reducing pain, inflammation from chronic conditions, and even stress. † And, now you can get in in a convenient topical cream to help erase the pain right on the spot. Within a few minutes, you should notice your pain disappearing. And, CBD Pain Cream saves you from having to be dependent on prescriptions. †
Cannabis terpenoids also display numerous attributes that may be germane to pain treatment (McPartland and Russo 2001). Myrcene is analgesic, and such activity, in contrast to cannabinoids, is blocked by naloxone (Rao et al 1990), suggesting an opioid-like mechanism. It also blocks inflammation via PGE-2 (Lorenzetti et al 1991). The cannabis sesquiterpenoid β-caryophyllene shows increasing promise in this regard. It is anti-inflammatory comparable to phenylbutazone via PGE-1 (Basile et al 1988), but simultaneously acts as a gastric cytoprotective (Tambe et al 1996). The analgesic attributes of β-caryophyllene are increasingly credible with the discovery that it is a selective CB2 agonist (Gertsch et al 2007), with possibly broad clinical applications. α-Pinene also inhibits PGE-1 (Gil et al 1989), while linalool displays local anesthetic effects (Re et al 2000).
I have idiopathic peripheral neuropathy ... the only thing they found that would work is lyrica. I picked up some CBD oil yesterday morning. I am prescribed to take 75 mg of lyrica 3x per day. I took one yesterday morning and have only used the CBD oil since. I bought the Koi brand, flavored, 250 MG. I used a full dropper yesterday late morning and a full dropper yesterday late afternoon. I used it once today (one full dropper) and I am amazingly pain free.
Nabiximols (brand name Sativex) is a patented medicine containing CBD and THC in equal proportions. The drug was approved by Health Canada in 2005 for prescription to treat central neuropathic pain in multiple sclerosis, and in 2007 for cancer related pain. In New Zealand Sativex® is approved for use as an add-on treatment for symptom improvement in patients with moderate to severe spasticity due to Multiple Sclerosis who have not responded adequately to other anti-spasticity medication and who demonstrate clinically significant improvement in spasticity related symptoms during an initial trial of therapy.
Several animal studies have led researchers to believe that cannabis could reverse signs of aging in the brain. Aging mice treated with small daily doses of THC showed a reversal in cognitive decline. However, past studies on the effects of cannabis on human memory show less promising results. Still, with few viable treatments for dementia, medical marijuana is receiving increased attention in this area.
CBD does not appear to have any psychotropic ("high") effects such as those caused by ∆9-THC in marijuana, but may have anti-anxiety and anti-psychotic effects. As the legal landscape and understanding about the differences in medical cannabinoids unfolds, experts are working to distinguish "medical marijuana" (with varying degrees of psychotropic effects and deficits in executive function) – from "medical CBD therapies” which would commonly present as having a reduced or non-psychoactive side-effect profile.
“THC can be present in products advertised as CBD products, which are not regulated by the FDA. The presence of THC in urine would trigger a positive result on a drug test. Testing will not determine if THC is from CBD or marijuana use," March wrote to WECT about the NHRMC note. “We have advised employees that using CBD products could put them at risk for a positive drug test result.”
With the passage of the 2018 Farm Bill, America will have a chance to counter China’s massive influence in the cannabis hemp industry. But it will mean playing catch-up for the foreseeable future. Currently, hemp cultivation techniques in America lag far behind other crops—it still has to be harvested by hand even. Even though marijuana is legal in China, the country has funded research into the plant and its cultivation, placing it miles ahead of other countries.
Figuring out how much CBD oil to take can feel like trying to navigate through a complicated maze. The sheer volume of CBD brands on the market can create confusion for consumers, and when you take a closer look, it’s not difficult to understand why. Not only do vendors use different source materials (CBD-rich cannabis vs. industrial hemp, different strains, etc.), but they also implement different extraction techniques .
“Geotextiles” or “agricultural textiles” include (1) ground-retaining, biodegradable matting designed to prevent soil erosion, especially to stabilize new plantings while they develop root systems along steep highway banks to prevent soil slippage (Fig. 32); and (2) ground-covers designed to reduce weeds in planting beds (in the manner of plastic mulch). At present the main materials used are polymeric (polythene, spun-blown polypropylene) and some glass fiber and natural fibers. Both woven and non-woven fibers can be applied to geotextiles; woven and knitted materials are stronger and the open structure may be advantageous (e.g. in allowing plants to grow through), but non-wovens are cheaper and better at suppressing weeds. Flax and hemp fibers exposed to water and soil have been claimed to disintegrate rapidly over the course of a few months, which would make them unacceptable for products that need to have long-term stability when exposed to water and oil. Coco (coir) fiber has been said to be much more suitable, due to higher lignin content (40%–50%, compared to 2%–5% in bast fibers); these are much cheaper than flax and hemp fibers (Karus et al. 2000). However, this analysis does not do justice to the developing hemp geotextile market. Production of hemp erosion control mats is continuing in both Europe and Canada. Given the reputation for rot resistance of hemp canvas and rope, it seems probable that ground matting is a legitimate use. Moreover, the ability to last outdoors for many years is frequently undesirable in geotextiles. For example, the widespread current use of plastic netting to reinforce grass sod is quite objectionable, the plastic persisting for many years and interfering with lawn care. Related to geotextile applications is the possibility of using hemp fiber as a planting substrate (biodegradable pots and blocks for plants), and as biodegradable twine to replace plastic ties used to attach plants to supporting poles. Still another consideration is the “green ideal” of producing locally for local needs; by this credo, hemp is preferable in temperate regions to the use of tropical fibers, which need to be imported.
The farm bill is a sprawling piece of legislation that sets U.S. government agricultural and food policy for the country and is renewed roughly every five years. This version of the bill places industrial hemp — which is defined as a cannabis plant with under 0.3% of tetrahydrocannabinol, or THC — under the supervision of the Agriculture Department and removes CBD from the purview of the Controlled Substances Act, which covers marijuana. The law also “explicitly” preserved the Food and Drug Administration’s authority to regulate products containing cannabis, or cannabis-derived compounds.
Pain from inflammation can and will likely affect all adults at some point in their lives, and for some, become chronic conditions that interfere with a normal quality of life. Over-the-counter (OTC) and prescription anti-inflammatory medications are easily available, readily prescribed, and very commonly used. The most common anti-inflammatory medications are called NSAIDs: non-steroidal... Read more
Several of the cannabinoids are reputed to have medicinal potential: THC for glaucoma, spasticity from spinal injury or multiple sclerosis, pain, inflammation, insomnia, and asthma; CBD for some psychological problems. The Netherlands firm HortaPharm developed strains of Cannabis rich in particular cannabinoids. The British firm G.W. Pharmaceuticals acquired proprietary access to these for medicinal purposes, and is developing medicinal marijuana. In the US, NIH (National Institute of Health) has a program of research into medicinal marijuana, and has supplied a handful of individuals for years with maintenance samples for medical usage. The American Drug Enforcement Administration is hostile to the medicinal use of Cannabis, and for decades research on medicinal properties of Cannabis in the US has been in an extremely inhospitable climate, except for projects and researchers concerned with curbing drug abuse. Synthetic preparations of THC—dronabinol (Marinol®) and nabilone (Cesamet®)—are permitted in some cases, but are expensive and widely considered to be less effective than simply smoking preparations of marijuana. Relatively little material needs to be cultivated for medicinal purposes (Small 1971), although security considerations considerably inflate costs. The potential as a “new crop” for medicinal cannabinoid uses is therefore limited. However, the added-value potential in the form of proprietary drug derivatives and drug-delivery systems is huge. The medicinal efficacy of Cannabis is extremely controversial, and regrettably is often confounded with the issue of balancing harm and liberty concerning the proscriptions against recreational use of marijuana. This paper is principally concerned with the industrial uses of Cannabis. In this context, the chief significance of medicinal Cannabis is that, like the issue of recreational use, it has made it very difficult to rationally consider the development of industrial hemp in North America for purposes that everyone should agree are not harmful.
Quality is a particular concern, because cannabis plants easily soak up heavy metals from pesticides and other contaminants, Marcu says. If you are buying online, look for a company that documents how it tests its products. (If the website doesn’t indicate this, call and ask.) “Buying from a reputable manufacturer is crucial, because it matters how the plant is cultivated and processed,” Dr. Maroon says. One clue that a company is cutting corners: too low a cost. Good CBD is pricey—a bottle of high-quality capsules is sold in Cohen’s office for $140. But for many, it’s worth the money. Roth spent $60 on her tiny bottle. But when her energy returned the day she started taking CBD, she decided that was a small price to pay.
A few years ago, the National Academy of Medicine convened a panel of sixteen leading medical experts to analyze the scientific literature on cannabis. The report they prepared, which came out in January of 2017, runs to four hundred and sixty-eight pages. It contains no bombshells or surprises, which perhaps explains why it went largely unnoticed. It simply stated, over and over again, that a drug North Americans have become enthusiastic about remains a mystery.