Eating a pizza can cause stomach upset or even long-term damage if you’re lactose intolerant or allergic to dairy. Over seven million Canadians suffer from lactose intolerance, a condition that causes gas, bloating, and abdominal cramps. Sadly, pizza giants like Pizza Hut, Little Caesars, and Domino’s are. Angus Reid surveyed 1,500 Canadians, including 600 Ontarians, […]