I do not care for the title of this article, because the end of the article discusses how the trend is definitely not causational and might only relate to increased rates of obesity. We all know that air pollution is bad, and we all still drive a heck of a lot. So basically, even if there is an inflammatory relationship between small airborne particles and human health, this study is almost besides the point. We already know how to reduce pollution and get more exercise at the same time.

Air Pollution Appears To Foster Diabetes – Science News.