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A Review of the Blood Type Diet

We’ve had the grapefruit diet, the Atkins Diet, and the lemonade diet; all of them are kooky and cut nutrients out that you may need.  Have you heard of the Blood Type Diet?  It’s the latest diet to be debunked by scientific study.

The blood type diet isn’t really all that new, but it has come under fire recently.  It's considered the "most personalized" diet as it recommends differing foods for each of the various blood types.  A naturopathic physician, Pete D’Adamo, developed it in the mid 1990’s, with the idea that your blood type played a role in one’s overall health.  He published the book Eat Right 4 Your Type in 1996 and was a huge success at the time.

The concept behind the blood diet is the theory that lectins which are diverse type of proteins that bind sugar molecules, react differently to various blood types.  Dr D'Adamo proposes the idea that these reactions may affect the digestive tract, cause inflammation and elevate the risk of infections. Lectins matched to the right blood type would then avoid any adverse effects.

Type O people are encouraged to eat mostly meat and cut out grains, and dairy.  Type A’s should focus on an organic vegetarian diet. Type B people should eat many eggs, but no chicken. Type AB people should eat a combination of A and B diets.  As you can see, these restrictive diets pull whole food groups out of the mix, leaving people with nutrient deficiencies.

Not surprisingly, study after study has shown this theory to be inconclusive. One study looked at 1455 healthy young people that ate a diet rich in fruits and veggies which aligns with the Type - A diet. Each participant had notable improvements to their health, but none of it was linked to blood type. All of them ate the same diet regardless of their blood type.

There haven't been enough well designed studies proving or disproving Dr. D'Adamo's theory. Although some researchers warn that following D’Adamo’s diet to the letter may result in poor nutrition.

It's better to eat a well rounded diet that includes proteins, healthy fats, and fruits and veggies. Focus on getting proper nutrition, drinking lots of water, and plenty of physical activity.

If you're not sure if you're getting the right nutrition, drop me a message and I'm happy to help you zero in on the getting the right nutrients.

 

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