People with blood type A, which D'Adamo calls the "cultivator,” are supposed to, Follow a vegetarian diet Eat pure, fresh, and organic foods Do hatha yoga, tai chi, and meditation to help lower their stress levels People with blood type B, which D'Adamo calls "the nomad,“ are supposed to , Avoid foods like corn, wheat, buckwheat, lentils, tomatoes, peanuts, and sesame seeds (since these can supposedly mess with their metabolism and make them gain weight) Avoid chicken (as it can increase risk of strokes and immune disorders) Eat goat, lamb, mutton, rabbit, venison, green vegetables, eggs, and low-fat dairy Play tennis, do martial arts, cycle, hike, and golf to stay mentally and physically active.