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

The government recently loosened medical marijuana rules. Experts separate fact from fiction about the drug’s safety and ...

A federal lawsuit accuses three big cannabis companies of lying about pot’s medical benefits and hiding its serious harms.

As cannabis legalization spreads, new research reveals that the mental health risks tied to a cannabis addiction depend ...

Benjamin Han, a geriatrician and addiction medicine specialist at the University of California-San Diego, tells his students a cautionary tale about a 76-year-old patient who, like many older people, ...

A 320-page lawsuit filed Monday takes aim at companies that sell legal marijuana in Illinois and many other states, claiming ...

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

Adolescents in California consistently perceive cannabis as less harmful than other commonly used substances, according to a ...

Studies show that marijuana can exacerbate anxiety and teen use poses risks for developing brains.

More women are turning to marijuana to treat pregnancy-related illnesses, but experts warn of possible adverse side effects. Cannabis use is rising among pregnant women — especially during the first ...