Add Yahoo as a preferred source to see more of our stories on Google. Chicken sandwich, nuggets, and fries from Chick-fil-A - Bloomberg/Getty Images Chick-fil-A has grown into the fast food superstar ...

Peanut allergies are among the most common allergies in the US, affecting roughly 2 percent of the population. For many people, even trace amounts can trigger a life-threatening reaction. So why do ...