Cannabis use has become more prevalent as legalization and decriminalization make it more accessible. While some studies show that cannabis could have some benefits, research also indicates that ...

Your recent article on permitting recreational cannabis sales mentions that a second pot store will be allowed to open a block from Lincoln Middle School. There is an epidemic of cannabis abuse by ...

A new study confirms the robust link between cannabis use and schizophrenia among men and women but suggests that young men may be especially susceptible to schizophrenia from cannabis abuse. Of note, ...

America’s teens have a new drug of choice. Calls to poison-control centers for cannabis abuse among kids has more than tripled since the year 2000, according to a new study — as alcohol abuse dropped ...

Cannabis use during adolescence and young adulthood was linked to lower academic performance, a systematic review and meta-analysis suggested. Among 63 studies that comprised 438,329 participants, ...

Adolescent cannabis abuse has increased 245% since 2000 in the US, while alcohol abuse has steadily declined over the same period. That’s according to a national, peer-reviewed study tracking ...

A Yale-led analysis of the genomes of more than 1 million people has shed light on the underlying biology of cannabis use disorder and its links to psychiatric disorders, abuse of other substances ...

While the modern marijuana consumer may be shedding that lazy stoner stereotype, new research shows that employees who use and abuse the drug are more likely to miss work. The findings were published ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo illustration: Celina Pereira for Yahoo News; photo: Getty Images When Naomi's daughter was 14, she had her first encounter ...

Tokyo recorded the highest number of cannabis-related cases among all prefectures in 2025, with 1,139 people processed by the ...