Almost 1 in 10 workers in their 30s uses alcohol, marijuana or hard drugs like cocaine while on the job in the United States, ...

A major new study has added to a growing body of research highlighting the health risks associated with marijuana ...

Researchers at the University of California San Diego have completed a landmark survey of more than 5,000 Californians to ...

Marijuana use is associated with increased sexual desire and arousal, as well as lower levels of sexual distress, new ...

More than a third of California adults are current cannabis consumers, a new survey finds, and the vast majority of them say ...

Treat it like tobacco: avoid criminalizing it, discourage its use, and protect bystanders, says editorial. Cannabis use is associated with twice the risk of dying from cardiovascular disease, along ...

A new study shows marijuana use is linked to heart disease, which is the number one killer domestically and globally. Almost ...

A single mood disorder might have driven a rapid increase in Pennsylvania's medical marijuana program, a new study says.

A wave of recent research points to reasons for concern for older users, with cannabis-related emergency room visits and ...

A new study published in the medical journal “Heart” is raising concerns about marijuana use and its potential link to heart disease, citing findings that suggest cannabis users may be ...

Long-term, persistent weekly or more frequent cannabis smoking leaves a distinct and partially reversible epigenetic ...