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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.
“While cannabis is often perceived as harmless or even beneficial for certain medical conditions, this study underscores potential negative cognitive effects, particularly on working memory and ...
The Centers for Disease Control and Prevention notes that marijuana can absolutely affect a person's brain health — causing changes in memory, attention, learning ability and even mood —and ...
Cannabis sativa from Vienna Dioscurides, 512 AD. A 2013 literature review by Gordon and colleagues concluded that inhaled cannabis is associated with lung disease, [3] although Tashkin's 2013 review has found "no clear link to chronic obstructive pulmonary disease". [83] Long-term effects of smoking cannabis include lung inflammation. [90]
Long-term effects of cannabis are not clear. [120] Concerns including memory and cognition problems, risk of addiction, schizophrenia in young people, and the risk of children taking it by accident. [115]
Another reflects on marijuana use in the United States. Jim Merritt wrongly wants people to fear socialized medicine, one reader says. Another reflects on marijuana use in the United States.
Tell Your Children: The Truth About Marijuana, Mental Illness and Violence is a 2019 book by Alex Berenson. In it, Berenson makes claims that cannabis use directly causes psychosis and violence, claims that have been confirmed by many in the scientific and medical communities. The scientists state that Berenson is drawing conclusions from the ...
Experts share how to address cannabis use without sending the message that "it’s OK for [teens] to use the drug too."