However, the report doesn’t say there is a cause and effect — it is an association. The study also found that teens who used marijuana may have been self-medicating for anxiety and depression.

Heavy lifetime cannabis use is associated with reduced brain activation in key cognitive regions, particularly during working ...

A recent study from Georgia State University has revealed a surprising connection between marijuana use and high blood ...

Discover the long-lasting effects of heavy cannabis use on brain function. Find out how marijuana can impact memory even ...

When taken by mouth: Cannabis is possibly unsafe when used in large amounts or long-term. Edible cannabis containing 50 mg or more of THC has been linked with serious side effects. Regularly ...

The researchers discovered differences in a process called DNA methylation in people who used marijuana. DNA methylation ...

A new study published today in JAMA Network Open explores the effects of both recent and lifetime cannabis use on brain ...

A new study published in JAMA Network Open suggests that frequent marijuana use may negatively impact working memory, ...

The study, the largest of its kind ever to be completed, examined the effects of ... Changes in Opioid Use Outcomes After Passage of Medical Marijuana Laws Jan. 13, 2025 — A new study found no ...

Heavy weed use appears to dull the brains of young adults, particularly affecting their short-term working memory, a new ...