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Question:

What is a food allergy?

A When the immune system mistakenly labels a harmless protein as toxic.
explanation

Food allergies are when the immune system mistakenly labels a harmless protein as toxic, then attacks it.The immune system’s job is to protect the body from foreign pathogens. During an allergic reaction, the immune system believes that a harmless food protein, or allergen, is toxic to the body and attempts to destroy it.