The cannabis traces found at Jirzankal Cemetery in the Pamir Mountains had unusually high concentrations of THC.

Marijuana buds now are often two to three times as potent as they were 30 years ago (Charas Scientific) The study analysed the health data of all Ontario residents aged 14 to 65 years eligible for ...

Two new Canadian studies are the largest to date looking at death rates and psychosis associated with cannabis use disorder.

Potent cannabis linked to surging schizophrenia cases - New schizophrenia cases linked to cannabis use disorder more than ...

Overuse of high-potency cannabis could be linked to a sharp increase in schizophrenia cases in Canada, according to a new study that calls for a review of the drug’s long-term effects.