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 ...

If you’re looking to reduce your chances of developing lung disease, say experts at UC San Francisco, then it may be smart to avoid inhaling cannabis. A new study in the Journal of General Internal ...

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 ...