Study of 60M US seniors strengthens link between air pollution and premature death
Green Car Congress
JUNE 29, 2017
and of 10 ppb in ozone were associated with increases in all-cause mortality of 7.3% (95% confidence interval [CI], 7.1 When the analysis was restricted to person-years with exposure to PM 2.5 of less than 12 μg per cubic meter and ozone of less than 50 ppb, the same increases in PM 2.5 and 1.1% (95% CI, 1.0
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