Researchers uncovered a striking pattern: heavy cannabis users show reduced brain activity during working memory tasks, the ...

Heavy use of cannabis recently or at any point in a person’s lifetime was tied to decreases in brain function during a working memory task, a new cross-sectional analysis showed.The data indicate ...

A legal loophole is allowing children who access social media to see enticing advertisements for marijuana with potentially ...

Anterior insula, medial prefrontal cortex, and dorsolateral prefrontal cortex associated with history of heavy use.

Cannabis is gaining widespread appeal and a growing number of U.S. states are approving medical marijuana. A large study ...

Heavy weed use may be far more dangerous than people realize, according to a pair of studies published in JAMA Network Open.

A study in Ontario found that schizophrenia cases linked to cannabis use disorder have more than doubled since cannabis ...

A new study suggests that heavy cannabis use may impair working memory, even after someone has stopped using it.

Schizophrenia cases associated with problematic weed use have skyrocketed in the wake of Canada's legalization of marijuana, ...

A large study from the University of Colorado found heavy cannabis use is linked to reduced brain activity. Lead researcher ...

A massive new study sheds light on how cannabis affects the brain, particularly during cognitive tasks. Researchers analyzed ...

A study of over 1,000 young adults reveals that heavy cannabis use reduces brain activity in key areas associated with working memory, including the prefrontal cortex. Both recent and lifetime use ...