"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"
By Dr. D'Adamo

A You should be a vegetarian (high carbohydrate, low fat). Engage in gentle exercise such as yoga or golf. Meditate to deal with stress. Your risk factors for cancer or heart disease increase if you eat incorrectly for your type. B You should have the most varied diet of all the blood types, one including meat; yours is the only blood type that does well with dairy products. Engage in exercise such as moderate swimming or walking. Your risk for slow-growing viruses that attack the nervous system increases if you eat incorrectly for your type. AB You have the most of the benefits and intolerances of types A and B. Engage in calming exercises and relaxation techniques. You have the friendliest immune system of all blood types. O Eat meat (high protein, low carbohydrate). Cut out wheat and most other grains. Engage in vigorous aerobic exercise. You risk factors for ulcers and inflammatory disease such as arthritis increase if you eat incorrectly for your type.