Health & Fitness Health & Fitness Is Delta-9 THC The Secret To Its Powerful Effects?Blossom SmithNovember 24, 2022Updated:November 24, 2022 The chemical name for THC is delta-9-tetrahydrocannabinol, or D-9-tetrahydrocannabinol (D-9-THC). In psychotherapy, it is recognized as the main active ingredient…