They're banned in other countries, but these 13 food ingredients are still allowed in the U.S.
Nutritionist Mira Calton and her husband, Dr. Jayson Calton, studied more than 150 ingredients during a six-year, expedition around the world and put together a list of 13 ingredients banned in other countries that are still allowed in the U.S. Their book "Rich Food, Poor Food" was released in February.
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National Portrait Gallery, London
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