Top Pro & Con Arguments

Con

Marijuana use harms the brain, and legalization will increase mental health problems.

Cannabis use may increase the risk of developing schizophrenia, depression, and other psychiatric disorders. [108][109] Researchers at Harvard and Northwestern found that recreational marijuana smokers showed abnormalities in the shape, volume, and density of certain areas of the brain. [107][110]

 

Dr. Hans Breiter, a psychiatrist at Northwestern Memorial Hospital who co-authored the study, said, “People think a little marijuana shouldn’t cause a problem if someone is doing O.K. with work or school. Our data directly says this is not so.” [111] A British Journal of Psychiatry study stated, “There is good evidence that taking cannabis leads to acute adverse mental effects in a high proportion of regular users.” [112]

 

A survey published in Drug and Alcohol Dependence journal reported that 22% of marijuana users experienced “acute anxiety or panic attacks following cannabis use,” and 15% had psychotic symptoms following use. [113]

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