"Why Receipts and Greasy Fingers Shouldn’t Mix"
"An order of French fries may be bad for your health in ways that extend well beyond the outsize calorie count. According to a new study by scientists at the University of Missouri, people who used hand sanitizer, touched a cash register receipt and then ate French fries were quickly exposed to high levels of bisphenol A (BPA), a chemical widely used to coat receipt paper."