Tag Archives: Clean Air Act

Ground-level ozone continues to damage health, even at low levels

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A study finds that higher ozone levels correlate with slower performance times for college endurance athletes. Pavel1964

Jamie T. Mullins, University of Massachusetts Amherst

Ground-level ozone is one of six major pollutants regulated nationally under the Clean Air Act. It is not directly emitted, but instead forms in the atmosphere through reactions between other pollutants from cars, power plants and industrial sources. Breathing ozone irritates the airways and can worsen respiratory diseases such as bronchitis, emphysema and asthma.

Regulation has reduced ozone levels across the United States over the past four decades, but exposure to ambient ozone still negatively impacts our health, well-being and productivity. In a recent article published in the journal Health Economics, I found that harm from ozone extends well beyond the high exposure levels and sensitive groups that have traditionally been studied. In fact, I identify negative effects of ozone exposure on the performances of intercollegiate track and field athletes under the relatively clean conditions common in the United States today. Continue reading

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