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Children at Risk of Iodine Deficiency

Some doctors are concerned that some US children might be at risk of iodine deficiency. Iodine shortage is the leading cause of mental retardation worldwide, but in this country it isn't generally recognized as a public health problem. WBUR's Allan Coukell reports.

This program aired on July 31, 2006. The audio for this program is not available.

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