Frequent marijuana use can negatively affect brain activity, resulting in reduced memory capabilities, according to information published Tuesday in the medical journal JAMA Network Open. In the study ...

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 guest takes a puff from a marijuana cigarette at the Sensi Magazine party celebrating the 420 holiday in the Bel Air section of Los Angeles, April 20, 2019. Richard Vogel / ASSOCIATED PRESS As ...

A study published in The American Journal of Drug and Alcohol found that long-term cannabis users experience interfered with sleep and memory. The findings highlighted an association between sleep ...

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 ...

Following driving directions or recalling a phone number are skills that require "working memory" – an executive function that helps people keep track of what they are doing. "Working memory is sort ...