The largest fMRI study to date finds that heavy cannabis use in young adults reduces brain activity and impairs working memory performance.

Avoiding cannabis use before certain cognitive tasks could improve performance Brenton Blanchet is an Associate Editor on PEOPLE's TV team. He has been working at PEOPLE since 2022 and his work has ...

A study by the University of Colorado found heavy cannabis use affects working memory in young adults. 63% of heavy cannabis users showed reduced brain activity during memory tasks. Researchers ...

Your brain may not bounce back as quickly as you think after you smoke weed. A groundbreaking new study suggests that heavy marijuana use could leave lasting marks on your memory, long after your last ...

Heavy cannabis use linked to reduced brain activation during memory tasks, raising concerns about lasting cognitive health effects.

By Dr. Liji Thomas, MD A simple handgrip test may reveal more than muscle power in very old adults, offering insight into how ...

Please provide your email address to receive an email when new articles are posted on . Overall, 63% of heavy lifetime cannabis users showed reduced brain activity during a working memory task. Not ...

A study published in JAMA Network Open examined the potential differences in brain function during cognitive tasks associated with recent cannabis use and lifetime cannabis use. The research team ...