To the Editor: I read with interest the American Heart Association (AHA) Science Advisory1 on high-protein diets in the October 9, 2001, issue of Circulation. Let me preface this response by saying that I am neither a medical doctor nor a registered dietitian. I am, however, a healthy, 29-year-old woman of normal weight who follows the Zone diet.2,3 I did not begin the diet as a means for weigh...

A study of the history of man has shown him at all times concerned with his self-preservation and protection in a world which was full of unforeseen and often unpleasant contingencies. Abstention from food or drink in the interests of a propitiating diety and later on asceticism in the hope of salvation in the next world were often the motives. The present century has however seen a waning abso...