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Long-term effects of smoking cannabis include lung inflammation. [90] Smoking cannabis has been linked to adverse respiratory effects including: chronic coughing, wheezing, sputum production, and acute bronchitis. [87] It has been suggested that the common practice of inhaling cannabis smoke deeply and holding breath could lead to pneumothorax.
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 health effects of cannabis smoke are an area of active study. A 2007 study found that while tobacco and cannabis smoke are quite similar, cannabis smoke contained higher amounts of ammonia , hydrogen cyanide , and nitrogen oxides , but lower levels of carcinogenic polycyclic aromatic hydrocarbons (PAHs). [ 24 ]
That marijuana is associated with heart problems is a very urgent message for Americans to be aware of, said Wu, as 1 in 5 people over the age of 12 now report having used marijuana in the last ...
Smoking marijuana daily for years may increase the risk of potentially deadly head and neck cancers, a new study found. ... smoking marijuana raise the risk of head and neck cancers, experts say ...
D’Souza added that cannabis use can have serious impacts on the developing brain because of its effects on the endocannabinoid system, a complex signaling system in the brain that marijuana targets.
It is presently classed in schedule I(C) along with its active constituents, the tetrahydrocannibinols and other psychotropic drugs. Some question has been raised whether the use of the plant itself produces "severe psychological or physical dependence" as required by a schedule I or even schedule II criterion. Since there is still a considerable void in our knowledge of the plant and the ...
The Biden administration moved Tuesday to reclassify marijuana as a lower-risk substance, a person familiar with the plans told CNN, a historic move that acknowledges the medical benefits of ...