For years you've been telling your friends, family, co-workers and anyone who will listen that you're addicted to cheese. It's a part of every meal or snack, and you think about it constantly. According to a new study from the University of Michigan, cheese crack is a real thing. And so is your addiction. The study, published in the U.S. National Library of Medicine, examines why certain foods are more addictive than others. Researchers identified addictive foods from about 500 students who completed the Yale Food Addiction Scale, designed to measure if someone has a food addiction. Pizza, unsurprisingly, came...