Add Yahoo as a preferred source to see more of our stories on Google. I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s.

BBC health correspondent James Gallagher gets his blood analysed to understand how air pollution is killing us.

There is a need to dispel the myth that the human body can adapt to air pollution with prolonged exposure, said Dr Palak Balyan, one of the experts on a panel discussing the health impact of air ...

I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s. The city sits on the plain, skyscrapers rising and buildings extending ...

I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s. The city sits on the plain, skyscrapers rising and buildings extending ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jenni Shearston, University of Colorado Boulder (THE CONVERSATION) I grew up in rural ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. (THE CONVERSATION) I grew up in rural Colorado, deep in the mountains, and I can still remember ...