Marijuana refers to the dried leaves, flowers, stems, and seeds from the hemp plant, Cannabis sativa. The plant contains the mind-altering chemical delta-9-tetrahydrocannabinol (THC) and other related compounds. Extracts can also be made from the cannabis plant. Read the DrugFacts.
Looking for Treatment?
Use the SAMHSA Treatment Locator or call 1-800-662-HELP (4357).
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Other Resources
- MEDLINEplus Health Information on Substance Use Disorders (National Library of Medicine, NIH)
- Healthfinder.gov (U.S. Department of Health and Human Services)
Clinical Trials
Clinical trials are research studies in human volunteers conducted to answer specific health questions. Learn about the NIDA-sponsored clinical trials available to you