Marijuana is obtained from

Cannabinoids are a group of chemicals, which interact with the cannabinoid receptors present principally in the brain. Cannabinoids are obtained from the plant ‘Cannabis sativa’. The leaves and flowers of this plant are mainly used to make marijuana. It is one of the most commonly abused substances. Tetrahydrocannabinol (THC), a cannabinoid, is the primary component found in marijuana that is responsible for its effects on a person's mental state.