Getting high, but feeling low. Science is split on whether the effects of cannabis are good or bad, with recent research showing it could boost brain power in older adults, while other studies show ...

As more Canadians use cannabis, the number of people reporting anxiety and depressions symptoms is also increasing, according to a new study.

An analysis of 35,000 Canadians shows that rising cannabis use and worsening mental-health symptoms are increasingly ...

A major new study reveals that cannabis use and mental health disorders like anxiety and depression are increasingly linked, with frequent users facing a 5x higher risk.

It notes that average levels of the psychoactive ingredient in cannabis, THC, are five to 10 times higher than levels in the ...

Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely to develop serious mental illness, as well as depression and anxiety.

A new large-scale study has found that teens using cannabis have a higher risk of developing psychiatric disorders.

Seven years after cannabis was rescheduled for medical use, what challenges remain for patients, clinicians and the UK regulatory landscape?

Teen use of marijuana has jumped significantly in recent decades - by 245% since 2000, with over 30% of U.S. high school ...

Between four and 10 million people in the U.S. have fibromyalgia. Many doctors look askance at the disorder, leading some patients to seek pain relief from substance use.

The history: The bakery sits on Central Avenue, the focal point of Black Los Angeles between the 1930s and 1960s. As segregation laws were struck down, Black people in LA began to move elsewhere and ...

Chicago-area cannabis shop owners say a last-minute tweak to state rules has thrown their businesses into chaos, with some warning it could force them to move locations or shut down entirely. The new ...