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  1. Cannabis - Wikipedia

    Industrial hemp textile products are made from cannabis plants selected to produce an abundance of fibre. Cannabis also has a long history of being used for medicinal purposes, and as a recreational …

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

    Sep 24, 2024 · Cannabis refers to the dried leaves, flowers, stems, and seeds of the cannabis plant. The plant has many different chemical compounds, including tetrahydrocannabinol (THC), which has …

  3. The Effects, Risks and Side Effects of Marijuana (Weed, Cannabis, THC)

    Sep 9, 2025 · About Marijuana Marijuana refers to the dried leaves, flowers, stems, and seeds from the Cannabis sativa or Cannabis indica plant. Marijuana is a psychoactive drug that contains close to …

  4. What Is Cannabis? Facts About Its Components, Effects, and Hazards

    Jun 22, 2023 · Today, more and more people are using the term cannabis to refer to weed. Read on to learn what cannabis is, and find a quick overview of its uses, legality, side effects, and more.

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

    Nov 5, 2023 · Marijuana is a mind-alerting substance that comes from the Cannabis sativa plant. It has several short-term and long-term effects, many of which scientists are still studying.

  6. Cannabis: Uses (Medical), Effects & Warnings - Drugs.com

    Cannabis contains the chemical compound THC (delta-9 tetrahydrocannabinol), which is believed to be responsible for most of the characteristic psychoactive effects of cannabis that leads to the "high" …

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

    Feb 13, 2026 · marijuana, crude drug composed of the leaves and flowers of plants in the genus Cannabis. The term marijuana is sometimes used interchangeably with cannabis; however, the latter …

  8. 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 more than 100 …

  9. Marijuana - Mayo Clinic

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

  10. Medical Marijuana: Facts about cannabis, THC, and CBD - Harvard Health

    Medical cannabis is available in more delivery methods than ever before, such as gummy bears, dried flowers, pills, lotions, drops and a variety of edibles, but what exactly does it do? With so much …