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.”
In the United States, cannabis is overall the number four value crop, and is number one or two in many states including California, New York and Florida, averaging $3,000 per pound ($6,600/kg). Some believe it generates an estimated $36 billion market. Some have argued that this estimate is methodologically flawed, and makes unrealistic assumptions about the level of marijuana consumption. Other estimates claiming to correct for this flaw claim that the market is between $2.1-$4.3 billion. The United Nations Office on Drugs and Crime claims in its 2008 World Drug Report that typical U.S. retail prices are $10–15 per gram (approximately $280–420 per ounce). Street prices in North America are known to range from about $40–$400 per ounce ($1.4–$14/g), depending on quality.
Cannabinoid agonists produce many effects beyond those mediated directly on receptors, including anti-inflammatory effects and interactions with various other neurotransmitter systems (previously reviewed (Russo 2006a). Briefly stated, THC effects in serotonergic systems are widespread, including its ability to decrease 5-hydroxytryptamine (5-HT) release from platelets (Volfe et al 1985), increase its cerebral production and decrease synaptosomal uptake (Spadone 1991). THC may affect many mechanisms of the trigeminovascular system in migraine (Akerman et al 2003; Akerman et al 2004; Akerman et al 2007; Russo 1998; Russo 2001). Dopaminergic blocking actions of THC (Müller-Vahl et al 1999) may also contribute to analgesic benefits.
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).
^ Nadulski T, Pragst F, Weinberg G, Roser P, Schnelle M, Fronk EM, Stadelmann AM (December 2005). "Randomized, double-blind, placebo-controlled study about the effects of cannabidiol (CBD) on the pharmacokinetics of Delta9-tetrahydrocannabinol (THC) after oral application of THC verses standardized cannabis extract". Ther Drug Monit. 27 (6): 799–810. doi:10.1097/01.ftd.0000177223.19294.5c. PMID 16306858.
Medical marijuana refers to the use of the Cannabis plant as a physician-recommended herbal therapy as well as synthetic THC and cannabinoids. So far, the medical use of cannabis is legal only in a limited number of territories, including Canada, Belgium, Australia, the Netherlands, Spain, and many U.S. states. This usage generally requires a prescription, and distribution is usually done within a framework defined by local laws. There is evidence supporting the use of cannabis or its derivatives in the treatment of chemotherapy-induced nausea and vomiting, neuropathic pain, and multiple sclerosis. Lower levels of evidence support its use for AIDS wasting syndrome, epilepsy, rheumatoid arthritis, and glaucoma.
"On February 6, 2004, the U.S. Court of Appeals for the Ninth Circuit permanently enjoined the enforcement of the final rule.65 The court stated that 'the DEA’s definition of ‘THC’ contravenes the unambiguously expressed intent of Congress in the CSA and cannot be upheld.'66 In late September 2004 the Bush Administration let the final deadline pass without filing an appeal."
Hemp is plagued by bird predation, which take a heavy toll on seed production. The seeds are well known to provide extremely nutritious food for both wild birds and domestic fowl. Hunters and birdwatchers who discover wild patches of hemp often keep this information secret, knowing that the area will be a magnet for birds in the fall when seed maturation occurs. Increasingly in North America, plants are being established to provide habitat and food for wildlife. Hemp is not an aggressive weed, and certainly has great potential for being used as a wildlife plant. Of course, current conditions forbid such usage in North America.
Even those who are facing issues related to mental health should consult their physician. Research studies continue to examine the effects and benefits of this drug far beyond just anxiety and depression. The benefits for those facing schizophrenia may be just the tip of the iceberg, as this may help with such conditions as mania and other forms of psychosis with further research.
Just as there was a shift from viewing disease as a state to thinking of it as a process, the same shift happened in definitions of health. Again, the WHO played a leading role when it fostered the development of the health promotion movement in the 1980s. This brought in a new conception of health, not as a state, but in dynamic terms of resiliency, in other words, as "a resource for living". 1984 WHO revised the definition of health defined it as "the extent to which an individual or group is able to realize aspirations and satisfy needs and to change or cope with the environment. Health is a resource for everyday life, not the objective of living; it is a positive concept, emphasizing social and personal resources, as well as physical capacities". Thus, health referred to the ability to maintain homeostasis and recover from insults. Mental, intellectual, emotional and social health referred to a person's ability to handle stress, to acquire skills, to maintain relationships, all of which form resources for resiliency and independent living. This opens up many possibilities for health to be taught, strengthened and learned.
“We’re so pleased farmers across America now have the freedom to consider integrating this important crop into their production, particularly with the trade concerns around other crops such as soybeans, corn, and wheat," said Elizabeth Hogan, VP of Brands at GCH Inc., the company behind Willie Nelson’s cannabis brands. Hemp legalization will transform it from niche interest and return it to cash crop status.
Cannabis, also referred to as marijuana, has been an integral part of human civilizations for millennia. Both as a medicine and as a recreational substance, cannabis is the most popular illicit drug in the world. Today, the legal landscape that has prohibited marijuana for much of the twentieth century is giving way to decriminalization and full legalization. Legal, commercial cannabis businesses are already making an enormous economic impact.
Cannabidiol, or CBD for short, is a phyto-cannabinoid found in cannabis plants. However, it does not cause the same psychoactive effects as other naturally occurring cannabinoids (such as tetrahydrocannabinol, or THC). CBD induces feelings of sleepiness and tranquility, making it suitable for insomnia and other sleep disorders; CBD can be used to alleviate symptoms of epilepsy, diabetes, and anxiety disorders, as well. Legality is an issue for some; all 50 states have laws governing the sale, possession, and use of CBD, and they vary significantly (see the table below for a full analysis).
“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.”
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.
We need proper studies, the panel concluded, on the health effects of cannabis on children and teen-agers and pregnant women and breast-feeding mothers and “older populations” and “heavy cannabis users”; in other words, on everyone except the college student who smokes a joint once a month. The panel also called for investigation into “the pharmacokinetic and pharmacodynamic properties of cannabis, modes of delivery, different concentrations, in various populations, including the dose-response relationships of cannabis and THC or other cannabinoids.”
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.
Preliminary work in Germany (noted in Karus and Leson 1994) suggested that hemp could be grown on soils contaminated with heavy metals, while the fiber remained virtually free of the metals. Kozlowski et al. (1995) observed that hemp grew very well on copper-contaminated soil in Poland (although seeds absorbed high levels of copper). Baraniecki (1997) found similar results. Mölleken et al. (1997) studied effects of high concentration of salts of copper, chromium, and zinc on hemp, and demonstrated that some hemp cultivars have potential application to growth in contaminated soils. It would seem unwise to grow hemp as an oilseed on contaminated soils, but such a habitat might be suitable for a fiber or biomass crop. The possibility of using hemp for bioremediation deserves additional study.
Cannabidiol, a non-euphoriant phytocannabinoid common in certain strains, shares neuroprotective effects with THC, inhibits glutamate neurotoxicity, and displays antioxidant activity greater than ascorbic acid (vitamin C) or tocopherol (vitamin E) (Hampson et al 1998). While THC has no activity at vanilloid receptors, CBD, like AEA, is a TRPV1 agonist that inhibits fatty acid amidohydrolase (FAAH), AEA’s hydrolytic enzyme, and also weakly inhibits AEA reuptake (Bisogno et al 2001). These activities reinforce the conception of CBD as an endocannabinoid modulator, the first clinically available (Russo and Guy 2006). CBD additionally affects THC function by inhibiting first pass hepatic metabolism to the possibly more psychoactive 11-hydroxy-THC, prolonging its half-life, and reducing associated intoxication, panic, anxiety and tachycardia (Russo and Guy 2006). Additionally, CBD is able to inhibit tumor necrosis factor-alpha (TNF-α) in its own right in a rodent model of rheumatoid arthritis (Malfait et al 2000). At a time when great concern is accruing in relation to NSAIDs in relation to COX-1 inhibition (gastrointestinal ulcers and bleeding) and COX-2 inhibition (myocardial infarction and cerebrovascular accidents), CBD, like THC, inhibits neither enzyme at pharmacologically relevant doses (Stott et al 2005a). A new explanation of inflammatory and analgesic effects of CBD has recently come to light with the discovery that it is able to promote signaling of the adenosine receptor A2A by inhibiting the adenosine transporter (Carrier et al 2006).
Some CBD oil brands can be evasive when it comes to product testing details. Populum addresses this by including a hard copy of the oil’s lab testing results in the product packaging. Full lab results are easily accessible on the brand’s website, as well. Prices for the Populum CBD oil range from 18 to 24 cents per milligram, depending on the container size, making it a relatively inexpensive full spectrum product. All U.S. military veterans receive a 25% discount, as well. Populum offers a risk-free 30-night product trial.
Outside of the aforementioned studies, CBD’s progress toward its place in society today suffered from intermittent spurts and starts until 1996 when California became the first US state to legalize medical cannabis. This groundbreaking moment paved the way for public support and lucrative research opportunities. Other states including Oregon, Alaska, Washington, Maine, Hawaii, Nevada, and Colorado would follow suit before the close of 2000.
"Whereas fibres and shivs did not show any significant difference between 2010 and 2013, the production of seeds increased by 92% and the production of flowers and leaves by 3,000%. The flowers for CBD production gave hemp farmers a considerable extra profit in 2013. It should also be mentioned that hemp is one of the very few crops in Europe that is cultivated on non-organic farms without the use of any agrochemicals. Strong, fast growing hemp crops are able to supress weeds without chemical support and the crop does not suffer from any pests or diseases that would warrant a spray. Hemp also grows well under an organic regime."
^ Datwyler, SL; Weiblen, GD (2006). "Genetic Variation in Hemp and marijuana (Cannabis sativa L.) sativa plants are taller and less dense. Indica plants are shorter but a lot more dense than sativas. According to Amplified Fragment Length Polymorphisms". Journal of Forensic Sciences. 51 (2): 371–375. doi:10.1111/j.1556-4029.2006.00061.x. PMID 16566773.
Despite some relatively tough talk from regulatory bodies, it can seem like they’re trying to close the barn door after the horse got out. CBD is already everywhere, and people are curious about it for reasons that seem to go far beyond trendiness, such as financial precariousness and health-care costs. “People are panicking and looking for things. They’re like, ‘What if I don’t have insurance because I get laid off? What can I replace my meds with?’” says Donahue, the Allure editor. CBD fits neatly with a growing distrust in technology and in the pharmaceutical industry, and America’s moderating view of cannabis means that many people see CBD as a safer alternative for anxiety or pain that’s worth trying.
Online retailers: Most CBD oils are sold through online retailers. These establishments tend to have the widest product range, and many offer free doorstep delivery. Online retailers also frequently post product reviews, allowing buyers to compare different oils based on customer experiences to determine which is best for them. These reviews can also be used to evaluate the retailer based on customer service, delivery, and product quality.
“Essentially CBD is no different whether extracted from industrial hemp or from marijuana,” Lee explained. “What’s different is what else is in there. When you extract from industrial hemp, you’re not getting a lot of cannabinoids. You’re not getting much CBD. You’re getting very, very little THC. Because it’s a low-resin plant, you don’t have a lot of cannabinoids that are contained in the resin.”
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.
A limited number of studies have examined the effects of cannabis smoking on the respiratory system. Chronic heavy marijuana smoking is associated with coughing, production of sputum, wheezing, and other symptoms of chronic bronchitis. The available evidence does not support a causal relationship between cannabis use and chronic obstructive pulmonary disease. Short-term use of cannabis is associated with bronchodilation. Other side effects of cannabis use include cannabinoid hyperemesis syndrome.