Delta-8 THC (tetrahydrocannabinol) is a psychoactive cannabinoid that has recently gained popularity due to its similarity to delta-9 THC. Written by Anna Barberena.
Delta-8-THC is an isomer of delta-9-THC, which means they are similar in their atomic structure but they are not identical. It is not as intoxicating as delta-9-THC but still produces a mildly intoxicating effect. Delta-8-THC binds to the CB1 receptor but, because it is structurally different, it doesn’t bind to the receptor in the same way. It is believed that the difference in how it binds to the receptor is what causes it to be less potent than delta-9-THC. It usually only exists in minute amounts in cannabis flowers but because of its unique effects many companies are attempting to isolate and enhance the cannabinoid. A study done in 1995, years before this cannabinoid made its big debut, showed that delta-8-THC was able to completely stop chemotherapy induced vomiting in pediatric patients without any major side effects (1).
Citations: 1. Abrahamov A, Abrahamov A, Mechoulam R. An efficient new cannabinoid antiemetic in pediatric oncology. Life Sci. 1995;56(23-24):2097-102. doi: 10.1016/0024-3205(95)00194-b. PMID: 7776837. 2. Pertwee, Roger G. “Cannabinoid pharmacology: the first 66 years.” British journal of pharmacology vol. 147 Suppl 1,Suppl 1 (2006): S163-71. doi:10.1038/sj.bjp.0706406 3. Thomas A, Baillie GL, Phillips AM, Razdan RK, Ross RA, Pertwee RG. Cannabidiol displays unexpectedly high potency as an antagonist of CB1 and CB2 receptor agonists in vitro. Br J Pharmacol. 2007 Mar;150(5):613-23. doi: 10.1038/sj.bjp.0707133. Epub 2007 Jan 22. PMID: 17245363; PMCID: PMC2189767.
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