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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.
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.
A growing problem among older adults. Marijuana use is on the rise among older adults. A 2020 study found the numbers of American seniors over age 65 who now smoke marijuana or use edibles ...
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 ...
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 ]
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.
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 ...
The earliest systematic studies of physiological effects of cannabis-derived chemical were conducted in the 1920's (see Fig. The number of publications about marijuana/cannabis). The level or research activity in this area remained relatively low and constant until 1966, when a 10-fold increase in publication activity occurred within 10 years.