Do you know what percentage of the calories you consume each day comes from saturated fat? How about polyunsaturated fat or protein or carbohydrates? Neither do I. But much of the nutritional advice that has bombarded us over the years is full of such mystifying numbers. Trouble is, people eat peas and pound cake, not percentages. So it can be tough translating dietary guidelines into everyday dos and don'ts.
Looks as if we'll be getting some relief from all the nutritional arithmetic. Last week the American Heart Association released its latest dietary recommendations, this time playing down the numbers and focusing...