Cannabis was linked to increased brain volume in a new study, but researchers urge caution, as findings contradict previous ...

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

Heavy weed use appears to dull the brains of young adults, particularly affecting their short-term working memory, a new study suggests. MRI scans showed less brain activation in heavy tokers ...

As cannabis replaces alcohol, normalization is outpacing medical awareness. What rising THC use means for teens, mental ...

Here’s a great question we received when we spoke at the Kiwanis Club of Downtown Oklahoma City (thank you for the invitation!) earlier this month: We have medical marijuana in Oklahoma, and we may be ...

A new study published in Translational Psychiatry suggests that chronic cannabis use may not be associated with cognitive ...

A study of 26,000 older adults finds that moderate cannabis use is associated with larger brain volumes and better memory, attention, and processing speed.

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 ...