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Food allergies have become an increasing concern over recent years, especially for new parents. A study found that between 1997 and 2007, the rate of food allergies rose a full 18%, with Center for Disease Control reporting that 15 million people are now effected—and new research suggests that pesticides in tap water could be a contributing factor. The report, published in the Annals of Allergy, Asthma and Immunology, found that dichlorophenol-containing pesticides used in water chlorination have a direct link to food allergies in the human body.