Monday, July 14, 2014

Lead in preschool kids' blood tied to behavioral problems

Lead in preschool kids' blood tied to behavioral problems

Although it is well documented that lead exposure lowers children's IQ, we know little about its effect on their behavioral and emotional health. Now, a new study shows that emotional and behavioral problems are apparent even at relatively low levels of lead exposure in preschool children, and they go up in line with rising blood lead levels.
Writing in the journal JAMA Pediatrics, Dr. Jianghong Liu of the School of Nursing at the University of Pennsylvania, Philadelphia, and colleagues report how they analyzed links between blood lead levels in over 1,300 Chinese preschoolers and behavioral and emotional problems, such as showing signs of being anxious, depressed, or aggressive......

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