These days, it's no longer so unusual to be that kid in school with a peanut allergy. In fact, it's estimated that two children in every classroom are now afflicted by some kind of food allergy. And the rate is growing: According to a 2013 CDC report, the prevalence of food allergies in kids shot up 50 percent between 1997 and 2011.
Researchers aren't entirely sure why foods like peanuts, dairy, and wheat are increasingly causing dangerous reactions in little ones. But there are a few basics every family can keep in mind to help keep their kids safe. In this infographic, food allergy specialists break down what you need to know: