THC is usually extracted from marijuana, or synthesized, as is the situation for the FDA-permitted drug dronabinol. Dronabinol is utilised to deal with or avert the nausea and vomiting linked to cancer medicines and to increase the appetites of those with AIDS, according to the U.S. National Library of Medicine. https://gunnercnsls.ampedpages.com/5-simple-statements-about-tetrahydrocannabinol-explained-60085373