What is a food allergy and why does it happen? | wikiHow Asks an Allergist

Allergies are multifactorial and develop over your lifetime. Watch and learn about how and when allergies can develop. Dr. Katie Marks-Cogan, a board-certified Pediatric & Adult Allergist.
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Dr. Katie Marks-Cogan is a board-certified Pediatric & Adult Allergist at Clear Allergy based in Los Angeles, California. She is the Chief Allergist for Ready, Set, Food!, an infant dietary supplement designed to reduce the risk of childhood food allergies. She received her M.D. with honors from the University of Maryland. She then completed her residency in Internal Medicine at Northwestern University and fellowship in Allergy/Immunology at the University of Pennsylvania and CHOP.
Learn more at: https://www.clear-allergy.com/ and https://readysetfood.com/
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