Selective breeding of cannabis plants has expanded and diversified as commercial and therapeutic markets develop.[13] Some growers in the US succeeded in lowering the proportion of CBD-to-THC to accommodate customers who preferred varietals that were more mind-altering due to the higher THC and lower CBD content.[52] In the US, hemp is classified by the federal government as cannabis containing no more than 0.3% THC by dry weight. This classification was established in the 2018 Farm Bill and was refined to include hemp-sourced extracts, cannabinoids, and derivatives in the definition of hemp.[53]

^ Jump up to: a b c Boggs, Douglas L; Nguyen, Jacques D; Morgenson, Daralyn; Taffe, Michael A; Ranganathan, Mohini (September 6, 2017). "Clinical and preclinical evidence for functional interactions of cannabidiol and Δ9-tetrahydrocannabinol". Neuropsychopharmacology. 43 (1): 142–154. doi:10.1038/npp.2017.209. ISSN 0893-133X. PMC 5719112. PMID 28875990.
CBD has also been shown to have neuroprotective properties in cell cultures as well as in animal models of several neurodegenerative diseases, including Alzheimer’s,xii,xiii,xiv stroke,xv glutamate toxicity,xvi multiple sclerosis (MS),xvii Parkinson’s disease,xviii and neurodegeneration caused by alcohol abuse.xix Nabiximols (trade name Sativex), which contains THC and CBD in roughly equal proportions, has been approved throughout most of Europe and in a number of other countries for the treatment of spasticity associated with MS. It has not been approved in the United States, but clinical trials are ongoing, and two recent studies reported that nabiximols reduced the severity of spasticity in MS patients.xx,xxi There have been limited clinical trials to assess the potential efficacy of CBD for the other indications highlighted; however, a recent small double-blind trial in patients with Parkinson’s disease found the CBD improved quality-of-life scores.xxii
People who experience psychosis may produce too much or even too little cannabinoids (from overactive dopamine receptors). CBD is milder than our internal cannabinoids and helps to re-establish a balance of cannabinoids in the brain. CBD also helps lower inflammation, which is often increased in schizophrenia. THC, on the other hand, is stronger than our internal cannabinoids (anandamide and 2-AG), this way potentially triggering psychosis [46, 48].
Hemp oil does have a number of uses and is often marketed as a cooking oil or a product that is good for moisturizing the skin. It is also used in the production of certain soaps, shampoos, and foods. It is also a basic ingredient for bio-fuel and even a more sustainable form of plastic. Hemp has been cultivated and used for roughly 10,000 years, and it definitely has useful purposes. However, a lack of cannabinoids, namely CBD, means that it has little therapeutic value.

In addition to providing a potent dose of CBD directly to the area of application, many of the topical solutions also include additional ingredients that further assists with the management of particular symptoms a person may be suffering from. It should be noted, however, that topical solutions often tend to be more expensive than some of the other options that a person has when buying CBD products.
Based in Los Angeles, Calm by Wellness plans to be among the largest hemp-growing and CBD extraction facilities in the world by the end of 2019. The company sources their hemp from Colorado and uses clean CO2 technology to extract their CBD and other cannabinoids (no THC though!). The company is also GMP and ISO9001 food-grade manufacturer certified.
In September 2018, following its approval by the FDA for rare types of childhood epilepsy,[12] Epidiolex was rescheduled (by the Drug Enforcement Administration) as a Schedule V drug to allow for its prescription use.[73] This allows GW Pharmaceuticals to sell Epidiolex, but it does not apply broadly and all other CBD-containing products remain Schedule I drugs.[73] Epidiolex still requires rescheduling in some states before it can be prescribed in those states.[76][77]

To my understanding, neither CBD nor THC are effective for “severe” pain; rather, they work better for mild to moderate chronic pain. Often, with severe pain, the dosage of opiates can be decreased with concomitant use of medical cannabis or CBD and that decrease in dose makes their use safer. Concurrent use of THC does increase the analgesic effect of CBD, but it also adds the “high” which some people do not want as a side effect.

Cannabidiol can be taken into the body in multiple ways, including by inhalation of cannabis smoke or vapor, as an aerosol spray into the cheek, and by mouth. It may be supplied as CBD oil containing only CBD as the active ingredient (no included tetrahydrocannabinol [THC] or terpenes), a full-plant CBD-dominant hemp extract oil, capsules, dried cannabis, or as a prescription liquid solution.[2] CBD does not have the same psychoactivity as THC,[9][10] and may change the effects of THC on the body if both are present.[7][8][9][11] As of 2018, the mechanism of action for its biological effects has not been determined.[8][9]
If you’re new to cannabidiol, you’ll want to start here. Cannabis is known to imbue a wide range of physiological effects. These effects come from a group of complex compounds known as cannabinoids. Scientists have identified over 100 different cannabinoids, but the two most well-known and well-researched are THC and CBD. CBD, or cannabidiol, has become increasingly popular as an ingredient in natural food supplements, offering a variety of potential effects that can benefit the body and mind. Take a look at this information to learn more about CBD.
CBD is suddenly everywhere — and it’s not hard to see why. It won’t get you high, has a good safety profile, and naturally treats dozens of conditions. But there’s a dizzying amount of choice out there, so we’ve ranked the 25 best CBD oils to help you get started. Whether you’re a rank beginner, or you’ve been experimenting with CBD for a while, we’ve got you covered.
“Cannatonic” is one known popular CBD-rich strain which is known to contain 6.5% CBD by weight, and the same amount of THC, making for one of the most medicinal strains out there. Sour Tsunami, Ghost Rider, Harlequin, Jamaican Lion and Omrita Rx3 have been tested several times by several labs as high as 18% CBD with equal or lower percentages of THC (3:2 ratio of CBD to THC in most cases).
That leaves those touting CBD’s effectiveness pointing primarily to research in mice and petri dishes. There, CBD (sometimes combined with small amounts of THC) has shown promise for helping pain, neurological conditions like anxiety and PTSD, and the immune system—and therefore potentially arthritis, diabetes, multiple sclerosis, cancer, and more.
Non-THC CBD oils can be highly effective, and are suitable for employees who face random or routine drug tests. Our top pick for this category is the Medterra CBD Oil Tincture, which contains 99.6% CBD and MCT oil (also known as coconut oil extract) without any traces of THC. The oil is derived from hemp plants that are free of GMOs and pesticides, as well. All third-party testing results for the oil are accessible through Medterra’s official product page.
Mr. Chairman, Ms. Chairwoman, and Members of the Senate Drug Caucus, thank you for inviting the National Institute on Drug Abuse (NIDA), a component of the National Institutes of Health (NIH), to participate in this hearing to share what we know about the biology and the potential therapeutic effects of cannabidiol (CBD), one of the main active chemical compounds found in marijuana. In light of the rapidly evolving interest in the potential use of marijuana and its derivative compounds for medical purposes, it is important to take stock of what we know and do not know about the therapeutic potential of CBD.
Good afternoon. Just found this site. This is a shot in the dark, but would anyone be able to help me? I have been looking for natural and holistic remedies/treatments for Endometriosis. CBD oil has been the next to check off on the research list. Have not used it yet. But I was recently given Daily Choice Hemp oil. a.) Is this a reliable product, as I did not see it listed on this page. b.) Are there any suggestions on what I should start with? Thank you so much for you time.

The passage of the 2018 Farm Bill made it legal to sell hemp and hemp products in the U.S. But that doesn't mean that all hemp-derived cannabidiol products are legal. Since cannabidiol has been studied as a new drug, it can't be legally included in foods or dietary supplements. Also, cannabidiol can't be included in products marketed with therapeutic claims. Cannabidiol can only be included in "cosmetic" products and only if it contains less than 0.3% THC. But there are still products labeled as dietary supplements on the market that contain cannabidiol. The amount of cannabidiol contained in these products is not always reported accurately on the product label.
Apart from the psychoactive effects, some of the concerns may also arise when it comes to talking about the potential side-effects that may be caused CBD products. According to Medical News Today[3], a large number of studies have been performed to specifically monitor for any type of side-effects or risks that people should be made aware of when it comes to using products that contain CBD as an active ingredient.
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