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

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

Marijuana is a psychoactive drug that has become legalized in an increasing number of U.S. states. In 1996, California became the first state to legalize the medicinal use of marijuana. As of March ...

Researchers observed slower gains in cognitive tests that measured memory, focus and thinking speed among middle and high ...

For years, the Alcohol vs. Cannabis debate seemed settled for many people. Alcohol was viewed as the obvious villain, linked to violence, addiction, liver disease, and fatal crashes. Cannabis, by ...

The teenager's brain has a lot of developing to do: It must transform from the brain of a child into the brain of an adult. Some researchers worry how marijuana might affect that crucial process.

For years, the narrative around marijuana has leaned heavily into its potential as a “natural” wellness product. However, a ...

Smoking marijuana may change the way people's brains respond to certain rewards, such as the prospect of winning some money, according to a new study. In the study, participants played a game in which ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Biologically speaking, there is no organ as vital or complex as the brain. And yet, the brain still remains somewhat a of a ...