Learn how to Handle Food Allergies - How long after eating foods do reactions normally occur?
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Robert B. Gravani: Hi! My name is Bob Gravani and I am a professor of Food Science at Cornell University, my area of interest is food safety and in recent months we have conducted a survey of severely food allergic consumers to better understand how they manage their food allergies. I would like to talk about now, specific allergic reactions, related to foods. Host: How long after eating food do reactions normally occur? Bob B. Gravani: Well food allergic reactions can occur as quickly as a few minutes after eating the offending proteins or can occur several hours after eating the offending protein and the severity of those symptoms can vary tremendously from very, very mild skin reaction or runny nose, to very severe and life threatening situations, where anaphylaxis or anaphylactic shock occurs and again, a lot of it is going to depend on the sensitivity of the individual, how much of that offending food allergen will trigger the response and also the specific allergenicity of that protein.
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