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What causes food allergies?

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Food allergies happen when a sensitive person eats, inhales, or comes into contact with even tiny amounts of certain foods. When exposed to proteins called allergens, their body reacts. The reaction can be very mild or it may be life-threatening.

Food allergies are becoming more and more common, mostly driven by peanut and tree nut allergies.

SOURCES: Chapman, J.A. Annals of Allergy, Asthma & Immunology, March 2006; vol 96: pp S1-S68. FAAN web site, foodallergy.org. John J. Oppenheimer, MD, clinical associate professor, New Jersey Medical School, New Brunswick. Jay M. Portnoy, MD, chief of allergy, asthma, and immunology, Children's Mercy Hospital, Kansas City, Mo.; vice president, American College of Allergy, Asthma & Immunology. Anne Muñoz-Furlong, founder and CEO, The Food Allergy & Anaphylaxis Network (FAAN).

Reviewed by Luqman Seidu on July 30, 2017

SOURCES: Chapman, J.A. Annals of Allergy, Asthma & Immunology, March 2006; vol 96: pp S1-S68. FAAN web site, foodallergy.org. John J. Oppenheimer, MD, clinical associate professor, New Jersey Medical School, New Brunswick. Jay M. Portnoy, MD, chief of allergy, asthma, and immunology, Children's Mercy Hospital, Kansas City, Mo.; vice president, American College of Allergy, Asthma & Immunology. Anne Muñoz-Furlong, founder and CEO, The Food Allergy & Anaphylaxis Network (FAAN).

Reviewed by Luqman Seidu on July 30, 2017

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What are the most common food allergies in children?

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