Almost eight percent of children under three years old and four percent of adults suffer food allergies, which trigger not only discomfiting symptoms like dermatitis and diarrhea but can cause deadly anaphylactic shock.

Researchers observed that higher than normal levels of IgE antibodies highly responsive to HRF (what immunologists call “HRF-reactive IgE”) in the blood of children with egg allergies, a strong hint that HRF contributes to food allergy in humans like it does in mice.

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