If you've ever suspected that not everyone should eat the same thing or do the same exercise, you're right. In fact, what foods we absorb well and how our bodies handle stress differ with each blood type.

Your blood type reflects your internal chemistry. It is the key that unlocks the mysteries of disease, longevity, fitness, and emotional strength. It determines your susceptibility to illness, the foods you should eat, and ways to avoid the most troubling health problems.

Based on decades of research and practical...