A recent Gallup poll shows two-thirds of people believe marijuana is less harmful compared to other substances like alcohol, cigarettes, and chewing tobacco. Meanwhile, most respondents in the survey ...

As recreational pot has gained traction in states all across the country, more research has been focusing on its health effects. One argument marijuana supporters have stood by for years - that weed ...

A new study from medical researchers at Harvard and Northwestern shows that 18- to 25-year-olds who smoke marijuana—even just recreationally!—had marked abnormalities in areas of their brains that reg ...

(Gray News) – Whether it is smoked or ingested, cannabis is bad for your heart, according to a new study. The study was conducted by researchers at US San Francisco and published Saturday in JAMA ...

Add Yahoo as a preferred source to see more of our stories on Google. A recent study of dead drivers in an Ohio county found that 42 percent were positive for THC, the intoxicating chemical in ...

Federal marijuana rescheduling would represent a historic policy change with major implications for cannabis research and industry—but it should be viewed as a “transitional” step that must be ...