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Question
greeneitchyears
09/18/09
greeneitchyears
Category:AllergyAllergy TestFood Allergy

Is it possible to have tested negative for food allergies now when, 15 years ago, I had a blood test

Is it possible to have tested negative for food allergies now when, 15 years ago, I had a blood test that showed I was allergic to everything they tested me for, and most were in the moderate to severe category? 
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