Cannabis has changed in recent decades. The concentration of d-9THC, the main psychoactive component, has increased from ...

The largest fMRI study to date finds that heavy cannabis use in young adults reduces brain activity and impairs working memory performance.

Marijuana has been a hot topic for years, but one often clouded by misperceptions. Many turn to it as a perceived panacea, hoping it will address health issues or enhance their well-being if other ...

Research apparently shows the effect is different on people over 40.

The recreational use of marijuana has become more common in recent years. But some research has found that consuming cannabis could have negative effects on the body, especially the brain. A recent ...

COLUMBUS, Ohio — The Ohio Traffic Safety Office is working to expand a program aimed at educating high school students about how marijuana affects developing brains and the risks of driving under the ...

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 still a lot we don’t know about the long-term effects of marijuana on men’s ...

If you’re reading this post, you are probably aware that your brain makes its own marijuana. In fact, it may make five different molecules that mimic the actions of marijuana; one is called anandamide ...