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  1. Cannabis (drug) - Wikipedia

    Tetrahydrocannabinol (THC) is the main psychoactive component of cannabis, which is one of the 483 known compounds in the plant, including at least 65 other cannabinoids, such as …

  2. Donald Trump considering reclassifying marijuana at federal level

    7 hours ago · Marijuana currently is classified as a Schedule I drug, which the DEA describes as a substance with no "medical use and a high potential for abuse."

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

    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 (cannabinoid) …

  5. About Cannabis | Cannabis and Public Health | CDC

    Feb 15, 2024 · Cannabis, which can also be called marijuana, weed, pot, or bud, refers to the dried flowers, leaves, stems, and seeds of the cannabis plant. The cannabis plant contains …

  6. Cannabis stocks surge on reports Trump will reclassify marijuana ...

    11 hours ago · President Donald Trump will significantly ease federal restrictions on marijuana, according to the Washington Post.

  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 · There are more than 100 active compounds in cannabis. The most common cannabinoids are delta-9 tetrahydrocannabinol, also called THC, and cannabidiol, also called …

  9. Marijuana use for many starts as coping mechanism, becomes …

    They relied on marijuana to get through the day. But then days felt impossible without it Once celebrated as a safe alternative to alcohol or a tool for relaxation and healing, marijuana has …

  10. Marijuana - DEA.gov

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