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  1. Cannabis (drug) - Wikipedia

    Native to Central or South Asia, cannabis has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries.

  2. Marijuana (Cannabis, Weed): What It Is, Side Effects & Risks

    Nov 5, 2023 · Marijuana: This term refers to parts of or products from the Cannabis sativa plant that contain substantial amounts of tetrahydrocannabinol (THC). This is the main chemical …

  3. Marijuana | History, Effects, THC, & Legality | Britannica

    Nov 13, 2025 · What is marijuana? Marijuana is a drug composed of the leaves and flowers of plants in the genus Cannabis. Documented as far back as 2700 BCE in China, marijuana has …

  4. What to know about pot addiction and treatment | AP News

    2 days ago · Doctors say it's possible to get hooked on pot. There's a widespread misconception that marijuana is not addictive, and it's expanded as a growing number of states legalize pot.

  5. Marijuana: Effects, Medical Uses and Legalization - Drugs.com

    Marijuana and Cannabis information from Drugs.com, Including marijuana uses, side effects, and legal status.

  6. Marijuana: Effects on the Body - WebMD

    Dec 23, 2024 · Explore the impact of marijuana on your mental and physical well-being. Learn about the effects of weed on your mind and body.

  7. Cannabis (Marijuana) | National Institute on Drug Abuse (NIDA)

    Sep 24, 2024 · In recent years, there have been big increases in the variety of cannabis products and how much THC they have, as well as a greater variety of ways people can consume them. …

  8. Marijuana - Mayo Clinic

    Aug 15, 2025 · Find out why cannabis, also called weed or marijuana, is used and the possible risks.

  9. Cannabis Frequently Asked Questions | Cannabis and Public Health

    Jan 31, 2025 · Answers to the most frequently asked questions surrounding cannabis.

  10. Marijuana - DEA.gov

    Mind-altering psychoactive drug. Dry, shredded, green/brown mix of flowers, stems, seeds and leaves from the cannabis sativa plant. THC (delta-9-tetrahydrocannabinol) is the main …