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Increased levels of acrolein exposure by tobacco smoking but not exclusive cannabis smoking were detected both in HIV-positive and HIV-negative adults, and contribute to increased diagnoses of cardiovascular diseases and respiratory diseases among tobacco smokers. [27] Cannabis smoke contains thousands of organic and inorganic chemical compounds.
There are plenty of studies detailing the negative effects of marijuana as well. Only now, science is suggesting marijuana isn't all bad as might have been previously believed.
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.
Cannabis smoke contains thousands of organic and inorganic chemicals, including many of the same carcinogens as tobacco smoke. [82] 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]
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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.
The time to onset of effects depends strongly on stomach content, but is usually 1 to 2 hours, and may continue for a considerable length of time, whereas the effects of smoking or vaporizing cannabis are almost immediate, lasting a shorter length of time. [10] All of the active constituents enter the body when cannabis is consumed orally.
"My heart sank," said Peebles, who turned to cannabis edibles in 2021 to help with shoulder and neck pain triggered by post-traumatic stress disorder. "I was worried I was going to have