Since the Eat-Right-4-your-Type concept mainly focuses on dietary lifestyles being matched to blood groups, it would stand to reason that blood types should match the chemical and nutritional requirements or profile of an individual - sort of like the Metabolic Typing of patients - where diets are adjusted according to someone's biochemical or genetic make-up. Unfortunately, there is no practical or clinical match whatsoever! Nutritional excesses or deficiencies can exist with all patients, without being unique to specific blood groups... Full Text