One of the largest studies to date found more frequent use of marijuana over time reduces the ability to remember key ...

The myth that cannabis is harmless because it’s natural has been further debunked—by scientists in a pot-friendly state.

Cannabis companies in Illinois are facing a class action lawsuit for allegedly labeling cannabis-infused products as ...

The first medical marijuana conference in Bordeaux, France, featuring doctors, scientists, and entrepreneurs from the UK and ...

L ong-term heavy cannabis use could have a detrimental effect on an aspect of cognition called working memory, according to ...

The largest study yet into the effects of cannabis on the brains of 18- to 36-year-olds has found that the drug can reduce ...

Cannabis use can significantly impact the part of the brain responsible for following instructions, responding during ...

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

The study found that regular marijuana use was linked to a decline in working memory functionality and capability.