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en.wikipedia.org/wiki/Cannabis_(drug)

Cannabis, also known as marijuana among other names, is a psychoactive drug from the Cannabis plant intended for medical or recreational use. The main ...

www.drugabuse.gov/publications/drugfacts/marijuana

Aug 1, 2017 ... Marijuana refers to the dried leaves, flowers, stems, and seeds from the Cannabis sativa or Cannabis indica plant. The plant contains the ...

www.drugabuse.gov/publications/research-reports/marijuana/what-marijuana

Aug 30, 2017 ... Marijuana—also called weed, herb, pot, grass, bud, ganja, Mary Jane, and a vast number of other slang terms—is a greenish-gray mixture of ...

www.drugfreeworld.org/drugfacts/marijuana.html

Marijuana is one of the most abused drugs in the world. There is an ever-growing gap between the latest science about marijuana and the myths surrounding it.

medlineplus.gov/marijuana.html

Marijuana contains the mind-altering chemical THC. Some U.S. states approve the use of medical marijuana. Read about marijuana and its effects.

www.webmd.com/a-to-z-guides/medical-marijuana-faq

Jun 13, 2016 ... WebMD shows you how medical marijuana works where it's legal, what it's used for and what side effects it might cause.

www.projectknow.com/research/marijuana

Marijuana is the most commonly used illicit drug in the U.S., with an astonishing 22.2 million people in America actively using the drug in July, 2016 alone.1 ...

www.psychologytoday.com/conditions/cannabismarijuana

Also known as ganja, weed, reefer, and grass, cannabis (marijuana) is a psychoactive herb that comes from the cannabis plant. This mind-altering substance is ...

www.britannica.com/science/marijuana

Sep 15, 2017 ... marijuana: Marijuana, also known as pot and weed, drug composed of the leaves and flowers of plants in the genus Cannabis.