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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.
For this study, researchers analyzed data from more than 1,000 young adults aged 22 to 36 who were categorized as one of the following: heavy cannabis users — used more than 1,000 times over ...
Students who test positive for marijuana under the new rules are also able to keep their eligibility after up to three positive tests. After a first positive test, a school must provide “a ...
In day-to-day practice, a history of marijuana use is often not sought by many practitioners, and even when sought, the patient's response is not always truthful". [75] A 2013 analysis of 3,886 myocardial infarction survivors over an 18-year period showed "no statistically significant association between marijuana use and mortality". [76]
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 2015 study found that medical marijuana legalization increased use and abuse by those under and over the age of 21. [6] A 2017 study found that frequency of marijuana use by students increased significantly after recreational legalization and that increase was especially large for females and for Black and Hispanic students. [7]
Dr. Phil also expressed his belief that smoking marijuana can cause a "multi-point drop" in a person's IQ, in addition to implying that the drug's use can be associated with violent behavior.
A pamphlet produced by the United States Department of Justice in the 1990s for youth sports coaches admonished them to "Explain that marijuana is illegal and that the athlete can be arrested or suspended from school and sports for using it", [35] and listed several deleterious physical and psychological effects of marijuana including ...