Clean Air Means Longer Life, Study Says

If the air in your city is clean, you can tack on about five months to your life. So suggests a new study by researchers at Brigham Young University and Harvard School of Public Health. This study found that the average life expectancy in 51 cities in the United States increased by nearly three years in recent decades and that approximately five months of that increase came as a result of cleaner air. "Life expectancy is a well-understood indicator for public health," said C. Arden Pope III,...Full Story
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