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Some U.S. states have legalized marijuana, but Peter Reuter argues that restricting promotion of marijuana once it is legal is more complex than it may initially appear. [ 82 ] According to the United Nations' World Drug Report, cannabis "was the world's most widely produced, trafficked, and consumed drug in the world in 2010", with between 128 ...
In 1963 Mechoulam began working on the components of the cannabis plant, from which hashish and marijuana are produced. Although cannabis had been the most widely used illegal drug in many parts of the world for centuries, its chemistry and biology were unknown, in contrast to morphine and cocaine, the two other common illegal drugs, which had ...
A limited number of studies have examined the effects of cannabis smoking on the respiratory system. [102] Chronic heavy marijuana smoking is associated with respiratory infections, [103] coughing, production of sputum, wheezing, and other symptoms of chronic bronchitis. [51]
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 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 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.
Marijuana use is at an all-time high in the United States. In the past decade alone, Americans' reported marijuana smoking has more than doubled, increasing from 7% to 13% from 2013 to 2023 ...
Randall, who had discovered that cannabis relieved the symptoms of his glaucoma, employed a medical necessity defense at trial to justify his use of the drug. [96] The charges against Randall were dismissed, and as a result of an ensuing petition filed with the FDA, Randall became the first person to receive cannabis from the federal government ...