http://www.theglobeandmail.com/life/health/could-air-pollution-be-undermining-our-intelligence/article1229627/
In the first study of its kind, U.S. researchers have found a link between pregnant women being exposed to air pollution and lower IQs of their children.
"This is a warning bell," said the lead author of the study, Frederica Perera, director of the Columbia Center for Children's Environmental Health in New York.
...
At the age of 5, the children were given intelligence quotient tests. The study showed that the children of mothers exposed to the highest level of PAHs had IQ scores that were between 4.3 and 4.6 points lower than kids whose moms had the least pollution exposure.
In the first study of its kind, U.S. researchers have found a link between pregnant women being exposed to air pollution and lower IQs of their children.
"This is a warning bell," said the lead author of the study, Frederica Perera, director of the Columbia Center for Children's Environmental Health in New York.
...
At the age of 5, the children were given intelligence quotient tests. The study showed that the children of mothers exposed to the highest level of PAHs had IQ scores that were between 4.3 and 4.6 points lower than kids whose moms had the least pollution exposure.
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