Justin Bieber was spotted smoking what appeared to be marijuana next to his brother at Coachella in a fan-captured video. His ...

That is not a small amount of weed! For the uninitiated, it looks something like that pile of leaves above — both of them — or like this substantial baggie, courtesy of 420magazine.com ...

Smoking weed also exposes you to some of the same toxins ... here's what we know so far about what it does to the heart. How cannabis affects the heart Cannabis is filled with cannabinoids ...

Despite increasing acceptance, marijuana use does have some risks. Here's a look at how marijuana can ... and details about your past – like childhood experiences, alcohol or substance use ...