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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 ...
Using marijuana daily for years may raise the overall risk of head and neck cancers three- to five-fold, according to a new study that analyzed millions of medical records. “Our research shows ...
Any use of marijuana could raise the risk of heart attack and stroke, even in people who don’t use cigarettes or don’t have existing heart disease, a new study finds.
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.
Nearly half of U.S. states now permit recreational marijuana, but studies say there are risks to frequent usage.
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.
News report by Voice of America about the business effect of cannabis in Colorado, with 700 million dollars in sales. In Colorado, effects since 2014 include increased state revenues, [20] violent crime decreased, [21] [22] and an increase in homeless population. [23] One Colorado hospital has received a 15% increase in babies born with THC in ...
— An estimated 17.7 million people reported using marijuana daily or near-daily in 2022, up from less than 1 million in 1992. — 42% of people who say they've used marijuana in the past month ...