Analysis finds 4% of U.S. children have food allergies

The number of kids with food allergies is rising, the study finds, but the reason is unclear. According to the lead author, the increase goes beyond a rise in awareness. The number of children who have food allergies is not only increasing, it now encompasses 4% of all kids in the United States, according to an analysis of four large, national surveys published today in the journal Pediatrics .

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