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Growing evidence suggests marijuana may be linked to certain heart problems. What's not clear is whether the heart risks are from smoking or if it’s the THC in weed that could be harmful.
The American Heart Association advises people to refrain from smoking or vaping any substance, including cannabis products, because of the potential harm to the heart, lungs and blood vessels.
A dried cannabis flower. 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.
Ultimately, the researchers concluded that the people who really should be avoiding marijuana smoking altogether are those with pre-existing heart disease, estimated at 1 in 20 Americans.
the negative effect on intelligence is greater than that attributable to the lack of education. ceasing consumption does not fully restore cognitive function on adolescents. [16] Cannabis. Cannabis intoxication was not only found to affect attention, psychomotor task ability, and short-term memory.
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.
Nearly half of U.S. states now permit recreational marijuana, but studies say there are risks to frequent usage.
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 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 ...