ER visits declined during pandemic. But that wasn't a bad thing, study suggests.
Prestigious European grants might be biased, study suggests (yes we knew)
Nearly 66,000 early deaths would be prevented each year if U.S. air pollutant concentrations of three major contributors — fine particulate matter, ozone and nitrogen dioxide — were reduced from the 70th to the 60th percentile, according to a recent study led by a Harvard University researcher.