The Blood Type Diet (AKA Eat Right 4 Your Type) claims there are certain foods and lifestyles better suited for different blood types. Is there any merit to this? And why do we have different types of blood in the first place?

"Blood Type Diet: What You Need to Know"
health.howstuffworks.com/wellness/diet-fitness/diets/blood-type-diet1.htm
"Let's start with the basics -- your blood type. If you're unaware of this important factor, you'll need to figure it out because it'll dictate your food plan."

"Really? Blood Type Influences Heart Disease Risk"
well.blogs.nytimes.com/2012/08/20/really-blood-type-influences-heart-disease-risk/
"Knowing your blood type is important if you need a blood transfusion. But can it also tell you something about your risk of heart disease?"

"What Your Blood Type Reveals About Your Health"
health.yahoo.net/experts/dayinhealth/what-your-blood-type-reveals-about-your-health
"A new Harvard study published in Arteriosclerosis, Thrombosis, and Vascular Biology shows that your blood type can actually predict your risk for heart disease."


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