A large new study has found that heavy cannabis use is linked to lower brain activity during tasks that involve working ...

Cannabis aficionados often emphasize the positive aspects of marijuana and related products, citing a range of generally not ...

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

A new study from Canadian researchers has found that the proportion of new schizophrenia cases associated with cannabis use ...

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

Cannabis use has increased significantly. Scientists have found that heavy cannabis use may negatively impact a person’s ...

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, ...

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

Lifetime history of heavy cannabis use is associated with lower brain activation on working memory tasks among young adults, ...

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

The proportion of new cases of schizophrenia associated with a cannabis use disorder has risen from 4% pre-legalization to 10 ...