ABC News' Dr. Tara Narula breaks down a new study showing that cannabis use may double the risk of dying from heart disease.

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

Disturbing new studies indicate cannabis use in adolescents and young adults significantly increases risk for suicidal ...

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 ...

Teams at the University of Maryland School of Medicine are studying the effects of THC and CBD — the two active ingredients ...

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

Brain differences in children and teens who experiment with drugs early show up before they take their first puff or sip ...

You might have heard cannabis and cannabinoid products can help people sleep. Data shows one of the top reasons people use ...

The methods that police officers use to detect cannabis-impaired driving lack a scientific basis. | Cannabis Sciences ...

A new Australian study found that a single dose of medicinal cannabis reduced total and REM sleep in people with insomnia, raising concerns over its true effectiveness as a sleep aid.

But overall, our findings suggest cannabinoids may acutely influence sleep, primarily by suppressing REM sleep, without ...