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The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
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.
A 2012 special report by the British Lung Foundation concluded that cannabis smoking was linked to many adverse effects, including bronchitis and lung cancer. [83] They identified cannabis smoke as a carcinogen and also said awareness of the danger was low compared with the high awareness of the dangers of smoking tobacco particularly among ...
TIME's Top 100 Photos of 2024. ... People take pictures as a 2-month-old female pygmy hippo named Moo Deng eats with her mother Jona at Khao Kheow Open Zoo in Chonburi province, Thailand, on Sept ...
A federal requirement that cigarette packs and advertising include graphic images demonstrating the effects of smoking — including pictures of smoke-damaged lungs and feet blackened by ...
Story at a glance More U.S. adults simultaneously used cannabis and alcohol following state-level legalizations of recreational marijuana, according to new data collected between 2008 and 2019.
Forty-four percent of American 12th graders have tried the drug at least once, and the typical age of first-use is 16, similar to the typical age of first-use for alcohol but lower than the first-use age for other illicit drugs. [42] A 2022 Gallup poll concluded Americans are smoking more marijuana than cigarettes for the first time. [48]
Smoking may have a genetic predisposing factor; one 1990 study posited that 52% of the variance in smoking behaviour is attributable to heritable factors. [ 6 ] [ 7 ] The concept received support from a large-scale genetic analysis of 2016 that showed a genetic basis for the connection of the prevalence of cigarette smoking and cannabis use ...