{"id":6298,"date":"2019-12-17T19:14:26","date_gmt":"2019-12-18T00:14:26","guid":{"rendered":"https:\/\/allergies-alimentaires.org\/developing-a-food-allergy-in-adulthood-2\/"},"modified":"2024-02-15T09:51:55","modified_gmt":"2024-02-15T14:51:55","slug":"developing-a-food-allergy-in-adulthood-2","status":"publish","type":"post","link":"https:\/\/allergies-alimentaires.org\/en\/developing-a-food-allergy-in-adulthood-2\/","title":{"rendered":"Developing a Food Allergy in Adulthood"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6298\" class=\"elementor elementor-6298 elementor-2654\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4f8155fc elementor-section-full_width mep3col elementor-section-height-default elementor-section-height-default\" data-id=\"4f8155fc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-2fe084c6 elementor-hidden-tablet elementor-hidden-phone\" data-id=\"2fe084c6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-1072e87\" data-id=\"1072e87\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d477f01 elementor-widget elementor-widget-post-info\" data-id=\"d477f01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-22b229e\" itemprop=\"datePublished\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>17 December 2019<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b1000a5 elementor-widget elementor-widget-text-editor\" data-id=\"3b1000a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>In many cases, children outgrow their allergies, and it is comparatively rare for a food allergy to develop in adulthood. However, the number of such cases is on the rise.<\/strong><\/h2><p>In the 1970\u2019s, a 22-year-old woman had several severe allergic reactions after consuming eggs or cow&#8217;s milk [1].<\/p><p>In 1999, a 28-year-old woman went to the emergency room to be treated for an anaphylactic reaction caused by eating green grapes [2].<\/p><p>Between 2005 and 2007, a 55-year-old woman reported visiting the hospital several times for breathing difficulties and for swollen eyelids and lips after eating eggs or foods containing eggs [3].<\/p><p>At first glance, these three cases don\u2019t seem particularly unusual. However, all three women have one thing in common: prior to their allergic reactions, they had consumed eggs, cow\u2019s milk, and green grapes their entire lives, without any problems.<\/p><h3>A growing number of food allergies in adults<\/h3><p>A similar trend in the increase of food allergies in both children and adults has been observed across the globe.<\/p><p>In 2017, at the annual meeting of the American College of Allergy, Asthma, and Immunology (ACAAI), Dr. Richi Gupta and her team presented the results of a survey of more than 40,000 American adults conducted between October 2015 and September 2016 [4]. The data showed that nearly half (45.3%) of the people surveyed developed at least one food allergy after the age of 18. Of these people, one-quarter (24.9%) of them had no known food allergies prior to diagnosis.<\/p><p>This trend had also been observed two years earlier, in 2015, by other American researchers. They analyzed the records of 1,111 adults who had met with allergists at allergy clinics at Northwestern University [5].<\/p><p>Analysis of these records revealed that at least 15% of these individuals developed a food allergy after the age of 18; the average age at the time of their first reaction was 31. The most common foods involved were seafood (54%), tree nuts (43%), fish (15%), soy (13%), and peanuts (9%).<\/p><h3>Why do adults develop food allergies?<\/h3><p>Available data on the development of a food allergy in adulthood is sparse and limited.<a href=\"https:\/\/allergies-alimentaires.org\/connaissez-vous-le-syndrome-de-lallergie-orale\/\">Oral allergy syndrome<\/a> (in French)\u00a0 and exercise-induced anaphylaxis are among the food allergy manifestations frequently observed in the adult population. But what causes the development of a food allergy after the age of 18? This remains a mystery, even today.<\/p><p>However, the American studies cited above provide interesting data on the risk factors associated with adult-onset food allergies. In particular, adults who became allergic to one or more foods were often found to have allergic rhinitis or atopic dermatitis. Factors such as female gender and the presence of other food allergies have also been associated with the development of allergic reactions following the consumption of a food that was previously tolerated. It\u2019s important to point out that, the later an allergy appears in an individual&#8217;s life, the greater the risk of a severe allergic reaction.<\/p><p>Different hypotheses,\u00a0 such as a lack of vitamin D, environmental pollution, or genetic factors, have been put forward to explain adult-onset food allergies. A decrease in the immune system\u2019s tolerance to a specific food, a viral infection, or emotional distress (e.g. bereavement) could also explain the development of food allergies in adults (references 1 and 3). However, we\u2019ll have to wait for the results of further studies before we know for sure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72e42b5 elementor-widget elementor-widget-toggle\" data-id=\"72e42b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1201\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1201\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">References<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1201\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1201\"><p>[1] Barnetson, R. S., Hardie, R. A. et Merrett, T. G. (1981). Late-onset atopic aczema and multiple food allergies after infectious mononucleosis. British Medical Journal, 283(6299):1086\u20131087.<br \/>[2] Vaswani, S. K. et coll. (1999). Adult onset grape hypersensitivity causing life threatening anaphylaxis. Annals of Allergy, Asthma &amp; Immunology, 83:25-26.<br \/>[3] \u00dcnsel, M. et coll. (2007). New onset egg allergy in an adult. Journal of Investigational Allergology and Clinical Immunology, 17(1):55-58.<br \/>[4] Warren, C. et coll. (2018). Prevalence, severity, and distribution of adult-onset food allergy. Annals of Allergy, Asthma &amp; Immunology, 121(5 suppl.):S14.<br \/>[5] Kamdar, T. A. et coll. (2015). Prevalence and characteristics of adult-onset food allergy. Journal of Allergy and Clinical Immunology Practice, 3(1):114-115.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-29a4dd48\" data-id=\"29a4dd48\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-31ee6712 elementor-widget elementor-widget-image\" data-id=\"31ee6712\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"960\" height=\"641\" src=\"https:\/\/allergies-alimentaires.org\/wp-content\/uploads\/2019\/09\/allergies-quebec_adolescent_adulte_1.webp\" class=\"attachment-large size-large wp-image-4773\" alt=\"adolescent, adultes et allergies\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d135237 rightnav elementor-widget elementor-widget-text-editor\" data-id=\"7d135237\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>SUGGESTED READING:<\/strong>\n<div id=\"u374\" class=\"ax_default box_1\" data-label=\"bouton-soumettre\">\n<div id=\"u374_text\" class=\"text \">\n<p id=\"cache20\"><a href=\"https:\/\/allergies-alimentaires.org\/en\/a-closer-look-at-the-rights-of-people-with-allergies\/\"><span id=\"cache21\">A Closer Look at the Rights of People with Allergies<\/span><\/a><\/p>\n\n<\/div>\n<\/div>\n<div id=\"u375\" class=\"ax_default materialicons\">\n<div id=\"u375_div\" class=\"\">\n<div id=\"u377\" class=\"ax_default box_1 mouseOver\" data-label=\"bouton-soumettre\">\n<div id=\"u377_text\" class=\"text \">\n<p id=\"cache18\"><a href=\"https:\/\/allergies-alimentaires.org\/en\/food-sensitivities-and-intolerances-2\/\"><span id=\"cache19\">Food Sensitivities and Intolerances<\/span><\/a><\/p>\n\n<\/div>\n<\/div>\n<div id=\"u378\" class=\"ax_default materialicons\">\n<div id=\"u378_div\" class=\"\"><a href=\"https:\/\/allergies-alimentaires.org\/en\/traveling\/\">Tips to Avoid Allergy Symptoms When Travelling<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In many cases, children outgrow their allergies, and it is comparatively rare for a food allergy to develop in adulthood. However, the number of such cases is on the rise.<br \/>\nIn the 1970\u2019s, a 22-year-old woman had several severe allergic reactions after consuming eggs or cow&#8217;s milk <\/p>\n","protected":false},"author":1,"featured_media":4773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,1],"tags":[],"class_list":["post-6298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conseils","category-non-classifiee","infinite-scroll-item","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding"],"_links":{"self":[{"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/posts\/6298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/comments?post=6298"}],"version-history":[{"count":0,"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/posts\/6298\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/media\/4773"}],"wp:attachment":[{"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/media?parent=6298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/categories?post=6298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/allergies-alimentaires.org\/en\/wp-json\/wp\/v2\/tags?post=6298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}