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    GlossaryFood Allergies

    immune system overreacts to harmless food proteins

    Food allergies, also known as food hypersensitivity, occur when the immune system mistakenly identifies a harmless food protein as a threat and triggers an allergic reaction. This can lead to symptoms ranging from mild (such as hives or itching) to severe (such as anaphylaxis, which can be life-threatening). Common allergens include peanuts, tree nuts, milk, eggs, wheat, soy, fish, and shellfish.

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