About 221,000 results
Open links in new tab
  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 | History, Effects, THC, & Legality | Britannica

    Dec 25, 2025 · 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 long been considered valuable as an …

  6. Cannabis Health Effects | Cannabis and Public Health | CDC

    Feb 16, 2024 · Cannabis use may have a wide range of health effects on the body and brain. There are several risk factors and negative health outcomes associated with cannabis use.

  7. Cannabis - Uses, Side Effects, and More - WebMD

    There are over 100 cannabinoids in cannabis, but THC and CBD are the most well-studied. Cannabinoids are found in the highest levels in the leaves and flowers of the plant. Cannabis is …

  8. Marijuana - Mayo Clinic

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

  9. 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" …

  10. What kind of cannabis can you buy in Texas? How to understand …

    Jul 23, 2025 · Hemp and marijuana are the same plant. The only difference is an arbitrary legal distinction that measures the amount of a cannabinoid called delta-9. U.S. and Texas law tries to …