Brain specialist Dr. Daniel Amen warns that marijuana use in teens and young adults is linked to higher rates of mental issues as research on cannabis' health impact develops.

Marijuana doesn’t impact the body the way fentanyl and other opioids do, but people can become so intoxicated from it that ...

Marijuana users need to realize that it is a drug and it will have effects on the user, he said, emphasizing that just because something is legal does not mean it’s good for a person to use or ...

The Brief More Americans believe the effects of marijuana are harmful, based on a new Gallup poll. A slight majority of people think marijuana negatively impacts people who use it. The perceptions ...

Weed is no longer just for hippies or hip-hop stars — around 22 million people in the U.S. are cannabis users. But there’s ...

This study signals that marijuana could be more harmful than people realize," said Dr. Giselle Revah, study co-author and cardiothoracic radiologist. ABC News contributed to this report.

Dayton Montgomery County wants consumers to understand some of the negative health effects of marijuana use. >> Assistant prosecutor accused of biting off a finger in road rage fight, loses his ...