Here at Chez Gique this topic comes up pretty often, because one of us can’t drink milk or eat soft cheese without experiencing Tummy Problems. The other one eats and drinks dairy products with impunity. It’s sometimes an issue when eating out or at family dinners, though. Got milk? Ancient European farmers who made cheese thousands of years ago certainly had it. But at that time, they lacked a genetic mutation that would have allowed them to digest raw milk’s dominant sugar, lactose, after childhood.Today, however, 35 percent of the global population — mostly people with European ancestry — can…