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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.
New research shows that heavy lifetime use of cannabis — more than 1,000 times — is associated with reduced activity in areas of the brain involved in working memory. The study adds to ...
Marijuana continues to be legalized across the U.S., with 22 states and Washington, D.C., allowing for the legal use and sale of the drug. With that, there seems to be a general consensus that ...
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.
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]
Young adults and college students reported the recreational prevalence of cannabis, among other drugs, at 20-25% while the cultural mindset of using was open and curious. [45] In 1969, the FBI reported that between the years 1966 and 1968, the number of arrests for marijuana possession, which had been outlawed throughout the United States under ...
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 ...
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]