Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. Marijuana use seems to be more popular (or at least more openly talked about) than ever.

Not to ruin your high, but habitually smoking marijuana has been known to take a toll on the body. It can irritate the lungs, ...

Though some say weed can improve mood and energy, there are negative effects on cognitive skills — especially in younger ...

Dr Daniel Amen cited brain scans that prove long-term cannabis smoking can cause issues relating to attention, memory, mood ...

Plenty of studies have found out what sort of impact smoking weed is having on the human brain as thousands of scans have ...

Marijuana is far from a “silver bullet” for various illnesses, but it has some promising applications, scientists say ...

The largest study of adolescent brain development ever conducted in the United States has produced a finding that parents in ...

Studies show THC can influence multiple stages of memory formation, shaping not just what we remember—but how accurately we ...

Teen cannabis use is linked to slower cognitive growth, especially memory, with THC as a likely contributor during key ...

This is the last post in a three-part series. Parts 1 and 2 covered marijuana’s brain mechanism and seven short-term effects. Now, we’ll explore marijuana's long-term effects on the brain. Marijuana's ...

Over 52 million Americans are believed to smoke pot, which may be harming certain areas of their brain. Not to ruin your high, but habitually smoking marijuana has been known to take a toll on the ...