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

Around 4 percent of adults worldwide smoked cannabis at least once in the last year according to a United Nations study. That makes it the most used illegal drug in the world. But it may not remain ...

Researchers find marijuana use in teens tied to slower gains in memory, focus, and thinking skills.

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.

Marijuana use among teenagers is entering a new phase—one shaped not only by changing laws but also by shifting perceptions of risk. As legalization expands across the United States, researchers and ...

An analysis of hundreds of images from several studies shows how hallucinogenic drugs drive activity in various regions of the brain. By Andrew Jacobs As researchers have sought to demonstrate the ...

In my previous post, I described my first experience with marijuana. Now I will explain how marijuana acts on the brain to change the texture of experience. Exactly how does marijuana get us high? The ...

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

Marijuana is made from the shredded and dried parts of the cannabis plant, including the flowers, seeds, leaves, and stems. It’s also known as pot, weed, hash, and dozens of other names. While many ...