Cannabis (/ ˈkænəbɪs /), [2] commonly known as marijuana (/ ˌmærəˈwɑːnə /), [3] weed, and pot, among other names, is a non-chemically uniform psychoactive drug from the Cannabis plant. 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.

大麻 （英語： Cannabis、Marijuana） 學名：C annabis sativa，英文名：Marijuana、Cannabis、Hemp、Pot、Weed 為大麻科（Cannabaceae）、大麻屬植物的總稱，俗名：麻仔、老鼠尾。 是一种使用 大麻属 植物制成的 藥物，在 医疗合法化 的国家被视为醫療用藥，是使用雌性 大麻 的花與毛狀體晾晒製成的。 主要分為 寻常大麻 (Sativa) （Cannabis sativa）、 印度大麻 (Indica) （Cannabis indica）和结合两者特点的 杂交大麻 (Hybrid) （或称混合大麻，英語： …

2023年11月5日 · Marijuana is a mind-alerting substance that comes from the Cannabis sativa plant. Other names for it are weed, pot and dope.

2024年11月7日 · 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 in hand-rolled cigarettes, in pipes or water pipes, in blunts, and by using vaporizers that pull THC from the marijuana.

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). According to the National Institute on Drug Abuse (NIDA), marijuana is …

Marijuana is a mind-altering (psychoactive) drug, produced by the Cannabis sativa plant. Marijuana has over 480 constituents. THC (delta-9-tetrahydrocannabinol) is believed to be the main ingredient that produces the psychoactive effect. WHAT IS ITS ORIGIN? Marijuana is grown in the United States, Canada, Mexico, South America, Caribbean, and Asia.

2024年12月23日 · Marijuana — also called weed, grass, or pot, among other names — is a mind-altering substance that comes from the cannabis plant. It's one of the most used drugs in the U.S., especially...

2025年3月27日 · Marijuana, drug composed of the leaves and flowers of plants in the genus Cannabis. Marijuana is known by several other names, including pot, grass, and weed. It can vary widely in potency. Its active ingredient is tetrahydrocannabinol (THC). Learn more about the history, effects, and legality of marijuana.

2024年9月24日 · Learn more about the regulation of products containing cannabis or cannabis-derived compounds from the FDA. Find information and statistics on drug-impaired driving from the National Highway Traffic Safety Administration. Find basic cannabis information from MedlinePlus, a service of the National Library of Medicine. In an emergency?

2025年3月7日 · Cannabis is the most commonly used federally illegal drug in the United States; 52.5 million people, or about 19% of Americans, used it at least once in 2021. 1 Recent research estimated that approximately 3 in 10 people who use cannabis have cannabis use disorder. 2