A recent University of Michigan study investigated which items serve as the drugs of the food world. Lo and behold, pizza topped the "addictive" list. So what makes it so hard to just have one slice?
The key quality of addictive foods, the study found, was processing: Unprocessed foods like salmon or brown rice were not associated with addictive eating behaviors, while highly processed foods like French fries and potato chips were. And many processed foods have one thing in common: fat. "Fat seemed to be equally predictive of problematic eating for everyone, regardless of whether they experience symptoms of 'food addiction,'" Erica Schulte, one of the study's authors, told Mic.