Young children who live near a major roadway are twice as likely to score lower on tests of communications skills than those who live farther away, a new study finds
Highways often cause parents to worry about their children's physical safety, yet there may be other important concerns. Young children who live near a major roadway are twice as likely to score lower on tests of communications skills than those who live farther away, new research indicates.
"We know that living close to major roadways -- interstate highways or state highways -- is associated with high air pollution," said Sandie Ha, lead author of the study and an associate professor in the Department of Public Health at the University of California, Merced.Research has shown that children who lived near a major roadway at birth had lower nonverbal IQ, verbal IQ and visual motor abilities in mid-childhood compared to their peers living farther away.
Traffic intensity in cities means pollution there may be similar in ways to pollution found near a major road outside the ciy. Still there are differences, Cullen said:"They are not interchangeable, however, because cities tend to have many other sources of air pollution in addition to road traffic." Other sources of pollution include waste incineration and tobacco smoke. Ultimately, the increases in risk reported in the new study are"extremely small," Cullen said.
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