Companies don't always tell us when our food gets healthier
                                
                                
                                    (Newser) -
                                    In the minds of customers, healthy food often means less-tasty food. At the same time, however, many clamor for healthier options. All this puts restaurants and food makers in a bind—and the solution, the  Wall Street Journal  reports, is "stealth health." This refers to companies secretly improving...