All over the media last week were reports that the prevalence of food allergies is grossly overestimated.  That is indeed good news, let's have a quick look at the systematic review that led to these statements (1). The review focused on foods which account for over 50% of food allergies: cow's milk, hen's egg, peanut, tree nuts, fish, and shellfish.  The authors looked through 1,216 papers and through an undoubtedly arduous quality assessment, reduced the number to be included in the review to Read more [...]