drug info @ your library provides up to date information about alcohol and drugs on this website and through local public libraries in New South Wales. drug info @ your library is a joint initiative of NSW Health and the State Library of NSW.
Cannabis comes from the Cannabis sativa plant. The primary active ingredient is THC (delta-9 tetrahydrocannabinol), a central nervous system depressant. THC can also act as an hallucinogen.
Information on Cannabis is in the A-Z drugs section of this website.