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Marijuana (DrugFacts)

Revised Nov 2010.
Offers facts about marijuana, including how it is used, its effects on the brain and overall health, treatment options, and the potential of marijuana as a therapy for various health problems. En Español

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Questions for our staff? E-mail information@nida.nih.gov or call 301-443-1124 (240-221-4007 en español).

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