"What Is the 'Best Diet' for You?" asks US News and World Report.  According to the magazine'srankings, the DASH Diet is the best overall. Atkins and other low-carb approaches finish in the second-division.   Despite claims of a rigorous methodology, the rankings betray a conventional and increasingly suspect thinking about fat, carbohydrates, and health.  The usual low-fat/ high-carb approach wins because it is presumed to be balanced, healthy and effective.  But presumption is not … [Read more...]