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Video encyclopedia

Cannabis

4:41

The surprising history of marijuana and why it’s illegal

10:56

10 LIES You Were Told About Marijuana

9:40

3 Arguments Why Marijuana Should Stay Illegal Reviewed

7:23

The Science Behind Marijuana

16:56

I Tried Medical Marijuana For My Chronic Pain

Cannabis, also known as marijuana among other names, is a psychoactive drug from the Cannabis plant used primarily for medical or recreational purposes. The main psychoactive component of cannabis is tetrahydrocannabinol (THC), which is one of the 483 known compounds in the plant, including at least 65 other cannabinoids. Cannabis can be used by smoking, vaporizing, within food, or as an extract.
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