An important new study published by Paulin et al1 in this issue of JAMA Internal Medicine investigates the outcomes of long-term exposures to outdoor ground-level ozone air pollution in people with a history of heavy smoking. Using a comprehensive set of metrics to assess lung function, the research team identified associations between long-term ozone exposures and increased respiratory disease severity, disease symptoms, and lung disease exacerbations in a cross-sectional analysis.
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Limaye VS, Knowlton K. Shining New Light on Long-term Ozone Harms. JAMA Intern Med. 2020;180(1):115–116. doi:10.1001/jamainternmed.2019.5967
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