Health-minded shoppers wandering through supermarkets these days are understandably bewildered about what to buy. Barraged by conflicting ^ nutritional advice and hyperbolic health claims for various foods, consumers are no longer sure what is good or what is bad for their bodies. Soon they will have a new aid intended to help them navigate grocery aisles more easily. Starting next month, some food packages will bear a logo from the American Heart Association, a heart with a superimposed check mark and the legend TESTED & APPROVED.
The seal is the focus of an ambitious new nutrition-education effort by the A.H.A. But...