Air Pollution Is Making Us Dumber, Study Shows

(CNN) — Air pollution could be more damaging to our health than previously thought, according to a new study, which found that prolonged exposure to dirty air has a significant impact on our cognitive abilities, especially in older men.
According to the study published Tuesday in the Proceedings of the National Academy of Sciences, breathing polluted air causes a “steep reduction” in scores on verbal and math tests.
Researchers at the International Food Policy Research Institut