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A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...
A study published in the Journal of the American Medical Association found while cigarette smoke damaged lungs, moderate marijuana smokers showed greater lung capacities than non-users.
A participant in a study on the effects of cannabis, shows the marijuana flowers he has grown in his backyard, in Longmont, Colorado, U.S., December 19, 2019.
Cannabis smoke was listed as a cancer agent in California in 2009. [31] A study by the British Lung Foundation published in 2012 identifies cannabis smoke as a carcinogen and also finds awareness of the danger is low compared with the high awareness of the dangers of smoking tobacco particularly among younger users. Other observations include ...
6.5 years = 2,374 days and 56,976 hours, or 3,418,560 minutes. 5,772 cigarettes per year for 54 years = 311,688 cigarettes. 3,418,560/311,688=11 minutes per cigarette.
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.
Critics of smoking bans stress the absurdity of criminalizing the sale of a safer alternative to tobacco while tobacco continues to be legal. [130] In 2022, after two years of review, the Food and Drug Administration (FDA) denied Juul's application to keep its tobacco and menthol flavored vaping products on the market. [131]
The risks of morbidity and mortality of infectious diseases are significantly reduced in 1 year and become comparable with non-smokers after 5 years of quitting. [20] Meanwhile, the life expectancy after smoking cessation increased by 10 years with the reduced risks of these diseases. [28]