Marijuana Marijuana is a mixture of leaves and the flowering tops of the Indian hemp plant Cannabis Sativa, smoked or eaten for its hallucinogenic and pleasure-giving effects. The psychoactive ingredient of marijuana, tetrahydrocannabinol (THC), is concentrated in the flowering tops of the hem...

Marijuana Marijuana is a mixture of leaves and the flowering tops of the Indian hemp plant Cannabis Sativa, smoked or eaten for its hallucinogenic and pleasure-giving effects. The psychoactive ingredient of marijuana, tetrahydrocannabinol (THC), is concentrated in the flowering tops of the hem...

Smoking is a very significant issue in the world today. Smoking tobacco and marijuana are both important issues in society today. I always see commercials on TV against smoking and why you (especially young kids) shouldn't smoke. I was wondering if these commercials and other adv...