Urban air pollution linked to birth defects for first time; UCLA research links two pollutants to increased risk of heart defects
Researchers found a significant link between exposure to high levels of ozone and carbon monoxide during the second month of pregnancy and an increased risk of conotruncal heart defects. The study analyzed data from over 9,000 babies born in Los Angeles and found that women exposed to elevated pollution levels were three times as likel...
SourceUniversity of California - Los Angeles·JournalAmerican Journal of Epidemiology·DateDec 29, 2001