Many parents are concerned about their child's cognitive ability and how much they'll be able to succeed in school. As a result, many children are given IQ tests to determine how they're academic future will fare.Some parents are wondering about the effects that outside sources can have on their child's IQ. For example, a few adults are concerned that pollution could have negative effects on a child's cognitive ability. According to NJToday.net, a 2007 study by the Harvard School of Public Health found that children who lived in areas of Boston with a higher pollution level scored an average of 3.7 points lower in their IQ scores than those who lived in less polluted areas."The effect of pollution on intelligence was similar to that seen in children whose mothers smoked 10 cigarettes a day while pregnant, or in kids who have been exposed to lead," reports Dr. Shakira Franco Suglia, lead author of the study.Additionally, the AP reported that researchers in the past have linked smog exposure while still in the womb to an affected child's IQ score.
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