As 9-year-old Sabrina Agosto left her school’s lunch line, she dropped her carton of milk on the cafeteria’s “share and donation” table and then snagged an extra yogurt. “I don’t like milk,” explained ...

There are a lot of jokes about the dangers of cafeteria food, but a recent University of Arizona study found it’s not the food kids have to worry about. It’s the tables from which they’re eating.