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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. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
Cannabis use has increased significantly around the world. Past research shows that regular cannabis use can increase a person’s risk for several health concerns, including risk factors for ...
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.
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 ...
The observed effects on memory and learning, they said, showed long-term cannabis use caused "selective memory defects", but "of a very small magnitude". [85] A study by Johns Hopkins University School of Medicine found that heavy cannabis use is associated with decrements in neurocognitive performance even after 28 days of abstinence.
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.
That marijuana is associated with heart problems is a very urgent message for Americans to be aware of, Wu said, as 1 in 5 people over age 12 now report having used marijuana in the last year ...
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 ...