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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 survey of American adults found that many erroneously believe it is safer for the lungs to smoke weed than tobacco, and that any secondhand smoke from marijuana is also safer.
According to the National Institute on Drug Abuse, "Studies show that someone who smokes five joints per week may be taking in as many cancer-causing chemicals as someone who smokes a full pack of cigarettes every day." Marijuana contains more than 400 chemicals, including the most harmful substances found in tobacco smoke.
An association between tobacco and other drug use has been well established. The nature of this association remains unclear. The nature of this association remains unclear. The two main theories, which are not mutually exclusive, are the phenotypic causation (gateway) model and the correlated liabilities model.
One of the misconceptions about marijuana is that it is highly addictive, but studies suggest only 9% of marijuana users become dependent on the drug. 5 substances that are far more addictive than ...
For the first time ever, more Americans said they smoke marijuana (16%) than tobacco cigarettes (11%) in a Gallup survey conducted July 5-26. The milestone is the result of decades of anti-tobacco ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 10 December 2024. 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 ...
"People think cannabis is fine because it's 'natural. I hear this a lot. I don't know what it means."