New study links frequent marijuana use to a 14% drop in working memory function in young adults.

A major study in JAMA Network Open finds that frequent marijuana use can harm working memory in young adults. Researchers analyzed over 1,000 participants aged 22 to 36 and found that heavy users displayed a 14% reduction in brain activity during memory tasks, affecting areas responsible for decision-making, memory, attention, and emotional processing. Chronic use appeared more impactful than recent use, though the study could not determine if memory improves after quitting.

2 months ago
38 Articles

Further Reading