Air Pollution, Depression, & Bipolar. Stealthy Threats Are Hard To Escape:
Science has been trying to decode the origins and fixes to different problems for a long time.

And one set that still baffles researchers to this day is psychological problems.

Where do they come from? Chemical Imbalance? Genetics? Aliens?

The problem for many stealthy health issues is that there are few easy answers or perfect 1-shot treatments.

And in the latest effort to track them down, a team led by U. Chicago is going after mental-illness in an odd place: Air Pollution…