^ 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.
A 2012 review found that the THC content in marijuana had increased worldwide from 1970 to 2009.[160] It is unclear, however, whether the increase in THC content has caused people to consume more THC or if users adjust based on the potency of the cannabis. It is likely that the higher THC content allows people to ingest less tar. At the same time, CBD levels in seized samples have lowered, in part because of the desire to produce higher THC levels and because more illegal growers cultivate indoors using artificial lights. This helps avoid detection but reduces the CBD production of the plant.[161]
Given the uncertainties and handicaps associated with hemp, it is fortunate that there are compensating factors. As noted, as a crop hemp offers some real environmental advantages, particularly with regard to the limited needs for herbicides and pesticides. Hemp is therefore pre-adapted to organic agriculture, and accordingly to the growing market for products associated with environmentally-friendly, sustainable production. Hemp products are an advertiser’s dream, lending themselves to hyperbole (“healthiest salad oil in the world,” “toughest jeans on the market”). While the narcotics image of C. sativa is often disadvantageous, advertisers who choose to play up this association do so knowing that it will attract a segment of the consuming population. In general, the novelty of hemp means that many consumers are willing to pay a premium price. It might also be said that those who have entered the hemp industry have tended to be very highly motivated, resourceful, and industrious, qualities that have been needed in the face of rather formidable obstacles to progress.
Cannabinoids, terpenoids, and other compounds are secreted by glandular trichomes that occur most abundantly on the floral calyxes and bracts of female plants.[42] As a drug it usually comes in the form of dried flower buds (marijuana), resin (hashish), or various extracts collectively known as hashish oil.[8] In the early 20th century, it became illegal in most of the world to cultivate or possess Cannabis for sale or personal use.
A 2015 review found that the use of high CBD-to-THC strains of cannabis showed significantly fewer positive symptoms such as delusions and hallucinations, better cognitive function and both lower risk for developing psychosis, as well as a later age of onset of the illness, compared to cannabis with low CBD-to-THC ratios.[279] A 2014 Cochrane review found that research was insufficient to determine the safety and efficacy to using cannabis to treat schizophrenia or psychosis.[280] As of 2017, the molecular mechanisms for the anti-inflammatory and possible pain relieving effects of cannabis are under preliminary research.[281]
Hashish (also spelled hasheesh, hashisha, or simply hash) is a concentrated resin cake or ball produced from pressed kief, the detached trichomes and fine material that falls off cannabis flowers and leaves.[179] or from scraping the resin from the surface of the plants and rolling it into balls. It varies in color from black to golden brown depending upon purity and variety of cultivar it was obtained from.[180] It can be consumed orally or smoked, and is also vaporised, or 'vaped'.[181] The term "rosin hash" refers to a high quality solventless product obtained through heat and pressure.[182]

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.[10] 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.[10][59]


But before you do that, know that all hemp CBD oils are not created equal! A recent study published in the Journal of the American Medical Association found nearly 70 percent of hemp CBD oil sold online was mislabeled. During the Penn Medicine study, researchers analyzed 84 products purchased from 31 companies. Around 42 percent of products were under-labeled, meaning the product contained more CBD than labeled. Twenty-six percent of products contained less CBD than indicated on packaging.
“The main overarching criticism we have with all CBD hemp products – even the good quality ones – is that they’re very limited,” Lee said. “They’re just basically one thing: a lot of CBD and very little of anything else. That can help some people sometimes but most people will find they need other options. There’s other cannabinoids you need – sometimes THC, sometimes THCA.
A panellized system of hemp-lime panels for use in building construction is currently under test in a European Union-funded research collaboration led by the University of Bath. The panels are being designed to assure high-quality construction, rapid on-site erection, optimal hygrothermal performance from day one, and energy- and resource-efficient buildings. The 36-month-long work programme aims to refine product and manufacturing protocols, produce data for certification and marketing, warranty, insurance cover, and availability of finance. It also includes the development of markets in Britain, France, and Spain.[35]
CBD has been touted for a wide variety of health issues, but the strongest scientific evidence is for its effectiveness in treating some of the cruelest childhood epilepsy syndromes, such as Dravet syndrome and Lennox-Gastaut syndrome (LGS), which typically don’t respond to antiseizure medications. In numerous studies, CBD was able to reduce the number of seizures, and in some cases it was able to stop them altogether. Videos of the effects of CBD on these children and their seizures are readily available on the Internet for viewing, and they are quite striking. Recently the FDA approved the first ever cannabis-derived medicine for these conditions, Epidiolex, which contains CBD.

"From the colonial period through the middle of the nineteenth century, hemp was widely grown in the United States for use in fabric, twine, and paper.19 Production dropped by the 1890’s as technological advances made cotton a more competitive textile crop, and coarse fiber crops were increasingly imported.20 Nonetheless, American farmers continued to grow hemp into the middle of the twentieth century, finding it a useful rotation crop because it acted as a natural herbicide21—a dense, rapidly growing crop, it choked out weeds prior to the next planting of corn and other crops.22 At the urging of the government, production to supply fiber for military purposes was expanded enormously during World War I and again during World War II, particularly after the Japanese cut off exports from the Philippines."
Chronic pain can be nociceptive or neuropathic. Nociceptive pain is the most common and is caused by tissue damage and inflammation. It’s characterized by throbbing, aching, and sharp pain. Neuropathic pain is caused by damage to the nervous system and can feel like stabbing, burning, or tingling pain. Studies on cannabinoids and pain demonstrate that CBD can treat both types of pain.

I have neuropathic pain. I’ve tried 3 brands now, this last one being less expensive. I “think” it’s helping a little bit…. maybe it’s wishful thinking. I never really knew how much to take. There is so much confusion on dosing, so I just take a dropper full now. Maybe that’s too much, maybe not. Should I take it twice a day, or once? I find it very hard to compare brand to brand. Thank you for your detailed, informative article. If anyone would care to share how much oil they take daily, I would appreciate it. I’m just trying to get a rough idea of what’s normal, an average. thanks.
Cannabidiol (CBD) oil is used by some people with chronic pain. CBD oil may reduce pain, inflammation, and overall discomfort related to a variety of health conditions. CBD oil is a product made from cannabis. It’s a type of cannabinoid, a chemical found naturally in marijuana and hemp plants. It doesn’t cause the “high” feeling often associated with cannabis, which is caused by a different type of cannabinoid called THC.
Hemp Bombs is based in Tampa, Florida, and in addition to focusing on the purity and therapeutic effectiveness of their products, are dedicated to establishing themselves as a top brand in the industry with a specific target audience. One of our personal favorite products of theirs is the flavored CBD vape liquids, which are some of the best-tasting CBD vape juices we’ve ever had.

After fighting the effects of thyroid cancerfor 12 years I wanted to die. Every day. Now, please understand that these were thoughts with no actions, I was just miserable in pain.After 1 week on the CBD oil, (5 drops under the toungue 2x per day) I am a different woman. I now have hope. Some of my emotional pain is presenting as physical pain, but IT'S LEAVING MY BODY.
Not until the end of the 20th century was the specific mechanism of action of THC at the neuronal level studied.[citation needed] Researchers have subsequently confirmed that THC exerts its most prominent effects via its actions on two types of cannabinoid receptors, the CB1 receptor and the CB2 receptor, both of which are G protein-coupled receptors.[142] The CB1 receptor is found primarily in the brain as well as in some peripheral tissues, and the CB2 receptor is found primarily in peripheral tissues, but is also expressed in neuroglial cells.[143] THC appears to alter mood and cognition through its agonist actions on the CB1 receptors, which inhibit a secondary messenger system (adenylate cyclase) in a dose-dependent manner. These actions can be blocked by the selective CB1 receptor antagonist rimonabant (SR141716), which has been shown in clinical trials to be an effective treatment for smoking cessation, weight loss, and as a means of controlling or reducing metabolic syndrome risk factors.[144] However, due to the dysphoric effect of CB1 receptor antagonists, this drug is often discontinued due to these side effects.[145]

"The quality of an oil or fat is most importantly determined by its fatty acid composition. Hemp is of high nutritional quality because it contains high amounts of unsaturated fatty acids, mostly oleic acid (C18:1, 10%–16%), linoleic acid (C18:2, 50%–60%), alpha-linolenic acid (C18:3, 20%–25%), and gammalinolenic acid (C18:3, 2%–5%) (Fig. 37). Linoleic acid and alpha-linolenic acid are the only two fatty acids that must be ingested and are considered essential to human health (Callaway 1998). In contrast to shorter-chain and more saturated fatty acids, these essential fatty acids do not serve as energy sources, but as raw materials for cell structure and as precursors for biosynthesis for many of the body’s regulatory biochemicals."


The first example of the use of hempcrete was in 1986 in France with the renovation of the Maison de la Turquie in Nogent-sur-Seine by the innovator Charles Rasetti.[30] In the UK hemp lime was first used in 2000 for the construction of two test dwellings in Haverhill.[31] Designed by Modece Architects,[32] who pioneered hemp's use in UK construction, the hemp houses were monitored in comparison with other standard dwellings by BRE. Completed in 2009, the Renewable House is one of the most technologically advanced made from hemp-based materials.[33] The first US home made of hemp-based materials was completed in August 2010 in Asheville, North Carolina.[34] 

To be clear, there is no one specific test, scan, or anything else of the sort that you can do to determine whether or not you need CBD oil for pain. Also, since cannabis is not yet recognized by the FDA, you unfortunately can’t really go to your doctor either and have them recommend it; until marijuana is FDA-approved, it cannot be prescribed by physicians.

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