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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 ...
Ultimately, the researchers concluded that the people who really should be avoiding marijuana smoking altogether are those with pre-existing heart disease, estimated to be about 1 in 20 Americans.
Older marijuana users are at a high risk of heart attack and stroke, while older daily users are 34% more likely to develop heart failure, according to new studies.
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 ...
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.
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.
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here. For ...