High rates of exposure to traffic-related air pollution may increase the risk for age-related macular degeneration.
Nearly 40,000 Taiwanese residents aged 50 years and older were enrolled in a longitudinal population-based study that used data from the Longitudinal Health Insurance Database and the Taiwan Air Quality Monitoring Database to investigate the risk for AMD after chronic exposure to ambient nitrogen dioxide and carbon monoxide. The subjects lived in areas with air quality monitors and did not have AMD at the time of enrollment.
The concentrations of air pollutants were grouped into
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