^ Jump up to: a b Hoch, Eva; Niemann, Dominik; von Keller, Rupert; Schneider, Miriam; Friemel, Chris M.; Preuss, Ulrich W.; Hasan, Alkomiet; Pogarell, Oliver (January 31, 2019). "How effective and safe is medical cannabis as a treatment of mental disorders? A systematic review". European Archives of Psychiatry and Clinical Neuroscience. 269 (1): 87–105. doi:10.1007/s00406-019-00984-4. ISSN 0940-1334. PMC 6595000. PMID 30706168.

Hemp-producing cannabis has tall, fibrous stalks that are very strong and have very few flowering buds. On the other hand, marijuana strains are short, bushy, and have high amounts of THC. In fact, industrial hemp and medical marijuana are so distinctively different that most lay people wouldn’t be able to tell that they belong to the same genus of plants if they encountered them in the wild!

In the United States, the cannabidiol drug Epidiolex was approved by the Food and Drug Administration in 2018 for treatment of two epilepsy disorders.[12] Since cannabis is a Schedule I controlled substance in the United States, other CBD formulations remain illegal to prescribe for medical use or to use as an ingredient in foods or dietary supplements.[13] cannabidiol oil
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