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  1. Alana Lyndaker says:

    Allergy symptoms occur when your immune system overreacts to an allergen—something that usually is harmless, such as plant pollen, dust mites, molds, insect stings or food. If you have an allergy, your immune system acts as if the allergen were dangerous, releasing a chemical called histamine that causes allergy symptoms.

    • EmilyDeJeu says:

      @ Alana Lyndaker — you’re absolutely right! Having that info can help parents better understand why their little ones’ bodies react the way they do to allergens.

      Thanks for commenting!

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