Scientists Say: THC
THC (noun, “T-H-C”) THC is a chemical found in the plant cannabis, or marijuana. THC is short for delta-9-tetrahydrocannabinol. It is the compound mainly responsible for cannabis’s psychoactive effects. That is, effects that change how a person thinks, feels or behaves. THC interacts with receptors in the brain to bring about such changes. The U.S….