^8 Tetrahydrocannabinol (THC) is one of many psychoactive compounds found in hemp. THC is the active ingredient that makes people feel “high”. People use THC for a natural replacement to pharmaceuticals. It may help with anxiety, stimulating appetite, pain relief, insomnia, and depression. However some who use it don’t have any ailments at all, and use it for recreational purposes for a euphoric feeling.