From Atkins to South Beach, here's the fascinating lowdown on low-carb. It explains exactly what carbohydrates are, how they work, and how we interact with them-as well as the role of the glycemic index. The information-packed guide features dozens of fact boxes, a comfort eating diary, nutritional charts, and recipe ideas. Those with diabetes or who have lactose intolerance will even find special information devoted to their needs, too.