Why do some diets produce life-changing results for some people but not for others? World-renowned health and fitness coach Dr. Joe Christiano updates his tested and proven weight-loss program based on the simple concept that your blood type--O, A, B, or AB--determines your body's ability to absorb nutrients, fight off disease, and lose weight. Revised to include protocols for detoxification and address healthy colon function, this updated edition explains how a well-balanced eating plan based on blood type is pivotal for losing weight and keeping it off for life.

Tools for readers include: *Links to online questionnaires for customized eating and fitness plans based on body genetics *120 blood-type specific recipes to maximize weight loss *Grocery lists and meal planners for individuals and families (combining blood types) *Fat-burning meal-replacement snacks *Body-redefining exercise demonstrations for specific body types