You’re in line in line waiting for the bus, or walking through a crowd at Times Square, or even sitting on your balcony when you get that overwhelming smell of marijuana. You move because you don’t ...

Wildfires burning in Canada started sending smoke across the border on Sunday and into the week, prompting U.S. officials to issue air quality warnings in several northern states—and experts say ...

(CNN) — Is inhaling marijuana smoke safer than inhaling smoke from tobacco? A majority of American adults say yes, according to a new survey, and they also believe there is less harm to adults and ...