Newswise — ARLINGTON HEIGHTS, IL (September 7, 2017 – 12:01 am ET) – The best way to find out if someone has a food allergy is through an oral food challenge (OFC) where the person is given a very small dose of the food by mouth under the supervision of a board-certified allergist to test for a severe reaction. A new study shows that OFCs are extremely safe, with very few people having a reaction of any kind.

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