I've heard about people who weren't allergic to peanut butter or pollen previously in their lives, but suddenly develop an allergy to that substance. What is the mechanism behind an allergy "suddenly" appearing later in life?
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If possible, can you cite the source?– OokerJun 9, 2015 at 16:54
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1Cite the person who I heard developed an allergy? That won't help address the question.– Dave LiuJun 9, 2015 at 17:08
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in that case, can you make describe the person who develop an allergy? Men or women, year to develop, living environment, etc. Just want to make the question clearer, you know– OokerJun 9, 2015 at 17:20
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5@Ooker People developing allergies to things they previously did not have an allergy to isn't uncommon so there's no need for the OP to describe such a person.– Carey Gregory ♦Jul 6, 2015 at 23:06
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1I would also like to know why allergy goes at a particular age . For eg I was allergic to shell foods like egg . But after 18 I could eat any number of eggs I want .– Arun KilluFeb 3, 2016 at 11:43
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1 Answer
From the MayoClinic, it isn't clear why adult allergies develop: http://www.mayoclinic.org/diseases-conditions/food-allergy/expert-answers/food-allergy/faq-20058483
However, there is evidence that food sensitivities develop when someone has a compromised gut. If the gut is compromised, undigested food particles "leak" into the blood stream and the body creates antibodies against this undigested food. These sensitivities can disappear if the gut is repaired. http://www.holistichelp.net/blog/why-do-food-sensitivities-develop-and-spread/
