In part one of what marijuana really does to your brain, we traced the discovery of the cannabinoid receptor. Finding the receptor is the first step in determining how smoking causes a high. The next ...

The New York Times editorial board thinks America has a marijuana problem. This may come as a surprise, as the same board has long supported legalizing weed. The esteemed paper of record once assumed ...

MRI scans showed less brain activation in heavy tokers performing tasks that tested their ability to temporarily hold a limited amount of information at the ready for immediate mental use, according ...

A new study has found that smoking marijuana and ingesting THC edibles over the long term can reduce blood vessel function at levels similar to those seen in cigarette smokers, posing a risk to heart ...

SOUTH BEND, Ind. (WSBT) — The state of Indiana could be on the verge of working toward legalizing marijuana. Lawmakers on both sides of the aisle have been slowly pushing the idea now that the federal ...

Teen marijuana use is no longer a minor concern. It is a mounting public health challenge with serious implications for the developing brain.Increasingly, young people are using electronic cigarettes, ...

Lev Facher covers the U.S. addiction and overdose crisis. Smoking marijuana can lead to markedly lower short-term alcohol use, according to a first-of-its-kind study that adds a new layer to the ...

For seniors, the physical effects of cannabis offer immediate threats such as impaired balance, which can increase the risk ...

Risk factors for colorectal cancer include age, family history, certain genetic conditions, inflammatory bowel diseases such ...