People turning to marijuana as a nightly sleep fix are now facing renewed warnings from health experts, as new data suggests ...

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

(NEXSTAR) – Medical marijuana may not be effective in treating some of the conditions it is commonly prescribed for, a new study suggests. The study, published in the Lancet Psychiatry journal on ...

The Justice Department reclassified marijuana as a Schedule III drug, a shift that affects research and taxes but not legalization ...

A large meta-analysis of over 3.2 million participants has confirmed a strong comorbid relationship between major depressive disorder (MDD) and cannabis use disorder (CUD). The study found that up to ...

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.

Stock image of a woman staring out the window. A trippy recreational drug may help cancer patients with depression, as patients who took a single hit saw improved symptoms of depression, according to ...

Especially unusual for an administration known for drastic actions against potential drug importers in both the Pacific Ocean ...

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 ...

(NEXSTAR) – Medical marijuana may not be effective in treating some of the conditions it is commonly prescribed for, a new study suggests. The study, published in the Lancet Psychiatry journal on ...