Reductions in Fine Particulate Air Pollutants Improve Health and Increase Life Expectancy

Numerous studies have shown associations between acute and chronic exposure to fine particle air pollution and cardiopulmonary disease and mortality. The results from a recent study showed that decreases in small particles of 2.5 micrometers or less in diameter – referred to as PM2.5, was associated with an average increase in life expenctancy in the United States.

Read more at http://www.hsph.harvard.edu/news/press-releases/2012-releases/air-pollution-improve-life-expectancy-us.html