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  1. Cannabis (Marijuana) - NYC Health

    Cannabis is often referred to by other names including marijuana, weed, pot, hash, grass, herb and bud. Though commonly known as marijuana, that term was historically used to negatively …

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

    It’s called cannabis use disorder and it’s on the rise, affecting about 3 in 10 people who use pot, according to the U.S. Centers for Disease Control and Prevention. Here’s how to know …

  3. Cannabis - Wikipedia

    Cannabis growing as weeds at the foot of Dhaulagiri, Nepal A thicket of wild cannabis in Islamabad, Pakistan Cannabis is an annual, dioecious, flowering herb. The leaves are …

  4. Know the Effects, Risks and Side Effects of Marijuana - SAMHSA

    Sep 9, 2025 · Marijuana is a psychoactive drug that contains close to 500 chemicals, including THC, a mind-altering compound that causes harmful health effects. People smoke marijuana …

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

    Nov 13, 2025 · Marijuana is known by a variety of other names, including pot, tea, grass, and weed. It is usually dried and crushed and put into pipes or formed into cigarettes (joints) for …

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

    Marijuana is used as a psychoactive, mind altering recreational drug and for certain medical ailments. The active agent that leads to the "high" is THC (delta-9-tetrahydrocannabinol). …

  7. Marijuana - Mayo Clinic

    Aug 15, 2025 · People sometimes use cannabis to treat health conditions. This is known as medical cannabis, also called medical marijuana. Cannabis contains chemicals called …

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

    Marijuana is a mind-alerting substance that comes from the Cannabis sativa plant. Other names for it are weed, pot and dope.

  9. Marijuana: Effects on the Body - WebMD

    Dec 23, 2024 · What Is Marijuana? Marijuana — also called weed, grass, or pot, among other names — is a mind-altering substance that comes from the cannabis plant.

  10. 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. …