Old diets never seem to die and one might be trying to make a comeback. I hadn’t thought about the Eat Right for your Blood Type Diet in years, but a guest recently asked me if we recommended it, and it was featured in an article in the current Tufts University Health and Nutrition Letter. The book, written by Peter D’Adamo in 1997, encouraged people to eat certain foods and avoid others based on a person’s blood type. It was a best seller at the time, and diets have a way of resurfacing so I wouldn’t be surprised to it gain popularity again.
The answer to her question is no we do not recommend it, and neither do most other health and nutritional professionals. Susan Roberts, PhD., director of the Tufts University HNRCA Energy Metabolism Laboratory says “There is really nothing scientifically supporting this idea.” John Foreyt PHD., weight management researcher at the Baylor College of Medicine, commented that “I know of no plausible rational behind the diet.” And finally a systematic review of the medical literature led by Dr. Philippe Vandekerckhove published in the American Journal of Clinical Nutrition found that “no evidence currently exists to validate the purported health benefits of blood type diets.”
We are constantly looking for a new way, a better way or even an old way, to solve this weight problem (by the way if the Blood Type Diet really worked back in 1997, there would be no reason for it to come back now.) Unfortunately, fad diets like the Blood Type Diet have never worked in the long run and there is no reason to believe things will be different if it becomes popular again.
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