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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. [68] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
A study of more than 6 million Danes published in JAMA Psychiatry in May found that people who have cannabis use disorder (meaning, they’re unable to stop using marijuana) had a higher risk of ...
Cannabis use disorder is diagnosed when a person has two or more of such symptoms as craving weed, becoming tolerant to its effects, using more than intended, using marijuana even though it causes ...
Weed affects your ability to make decisions, control emotions, remember important data, plan, organize and solve problems, a new study found, and that impact may last well past your initial high.
In 2022, an estimated 17.7 million people used marijuana daily or near-daily compared to 14.7 million daily or near-daily drinkers, according to the study. From 1992 to 2022, the per capita rate of reporting daily or near-daily marijuana use increased 15-fold. The trend reflects changes in public policy.
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 review of claims about marijuana and the latest scientific evidence about marijuana's effects leads the authors to conclude that, while heavy marijuana use can be harmful, marijuana use, in general, is not nearly as harmful as the myths about marijuana claim.
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.