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Russian children in contaminated towns show psycholgical development lays as result
EKATERINBURG, RUSSIA - Not only is fingernail biting a bad habit, but it may also contribute to lead poisoning, say research physicians here at the Ural Regional Centre for Environmental Epidemiology.
"If a child is in the habit of biting nails, lead poisoning can become the reason for his or her psychological development delay," said the centre's deputy director, Dr. Larissa Privalova.
In five towns they suspected of high environmental...