Giancario Gemignani-Hernandez, 2, of Pittsburgh has his ear examined by Dr. Alejandro Hoberman. Gene J. Puskar/AP hide caption

toggle caption Gene J. Puskar/AP

Parents now have more advice to consider when it comes to choosing organic foods. Here, Theo Shriver, 6, weighs organic produce at the Puget Consumers Co-op in Seattle. Elaine Thompson/AP hide caption

toggle caption Elaine Thompson/AP

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