Cannabis smoking - Wikipedia
网页Cannabis smoking (known colloquially as smoking weed or smoking pot) is the inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ 9-tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.
Cannabis (drug) - Wikipedia
网页Cannabis, [b] also known as marijuana [c] or weed, among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries.
Effects of cannabis - Wikipedia
网页Toxicities. When cannabis is smoked, blood levels of THC peak rapidly after a few minutes and then decline, although the psychotropic effects persist for longer. Edible forms of cannabis often contain several hundred milligrams of THC, much more than the 32 mg of a typical cannabis cigarette. [citation needed]
Cannabis consumption - Wikipedia
网页Cannabis consumption refers to the variety of ways cannabis is consumed, among which inhalation (smoking and vaporizing) and ingestion are most common. All consumption methods involve heating the plant's THCA to decarboxylate it into THC, either at the time of consumption or during preparation.
Cannabis - Wikipedia
网页Cannabis (/ ˈ k æ n ə b ɪ s /) [2] is a genus of flowering plants in the family Cannabaceae. The number of species within the genus is disputed. Three species may be recognized: Cannabis sativa, C. indica, and C. ruderalis.
大麻 - 维基百科，自由的百科全书
网页主要分為 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： hybrid cannabis）三種 栽培品種。. 其主要作用于精神方面，主要的成份為 四氢大麻酚 （tetrahydrocannabinol，缩写THC），而大麻 ...
Cannabis in the United States - Wikipedia
网页The use, sale, and possession of cannabis containing over 0.3% THC by dry weight in the United States, despite laws in many states permitting it under various circumstances, is illegal under federal law. [5]
History of cannabis - Wikipedia
网页Global spread. Around the turn of the second millennium, the use of hashish (cannabis resin) began to spill over from the Persian world into the Arab world. Cannabis was allegedly introduced to Iraq in 1230 AD, during the reign of Caliph Al-Mustansir Bi'llah, by the entourage of Bahraini rulers visiting Iraq. [22]
Cannabis (Marijuana) DrugFacts - National Institute on Drug …
网页2019年12月24日 · Marijuana refers to the dried leaves, flowers, stems, and seeds from the Cannabis sativa or Cannabis indica plant. The plant contains the mind-altering chemical THC and other related compounds. People use marijuana by …
Marijuana | History, Effects, THC, & Legality | Britannica
网页4 天之前 · 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.
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