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The short-term effects of cannabis are caused by many chemical compounds in the [[Cannabis|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.
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
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.
Research has found that heavy marijuana use during the teen and young adult years can increase the risk of triggering the start of schizophrenia and psychosis. There is also evidence that regular ...
A new scientific statement from the American Heart Association is shedding light on the potential dangers of marijuana use for those with cardiac issues.
A lower classification would facilitate much-needed, thorough research into marijuana’s benefits and risks. Reclassification is reflective of the evolving public acceptance of marijuana and the ...
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known as marijuana or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent .
Alcohol is still more widely used, but 2022 was the first time this intensive level of marijuana use overtook daily and near-daily drinking, said the study’s author, Jonathan Caulkins, a ...