The connection between smoking cigarettes and lung cancer risk has been clear for decades — but what about marijuana? As more U.S. states legalize recreational cannabis, new and developing research ...

Marijuana is often dismissed as “natural” and therefore harmless, with many believing that organic smoke somehow behaves differently in the body. But doctors warn that smoke is smoke - and whether it ...

If cannabis causes the munchies, how is it possible that pot smokers are thinner than nonsmokers?more A new study published in the American Journal of Epidemiology finds an intriguing connection ...

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 ...

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 ...

Vaping among teens and young people is consistently linked to subsequent smoking, marijuana and alcohol use, finds an overarching (umbrella) review of systematic reviews of the evidence, published ...