What you need to know about blood group diet
By - Prince Yalley Abban , RD

The Blood Group Diet : What You Need To Know

Is The Blood Group Diet a Fuss or Based on Facts ?

People around the world are familiar with the blood group diet or blood type diet, a lifestyle plan instructing followers to eat and exercise in certain ways, depending on their blood type.

The blood type diet is based on the belief of naturopath James D’Adamo that one’s diet should be determined by one’s blood type.Like many self-confident mavericks before him, D’Adamo appealed to intuition for his brainstorm and experiments rather than controlled studies to support the validity of his ideas. His son, also a naturopath, Peter J. D’Adamo is a fruit that did not fall far from the tree. He has written several books, and travels the world promoting the blood type diet.

Peter D’Adamo base much of his theory on the action of lectins; proteins found on the surface of certain foods that can cause various molecules and some types of cells to stick together. He blames lectins for serious disruptions throughout the body, from agglutination of the blood cells to cirrhosis and kidney failure.                                                                               

Since most people are unaware of their blood types, let alone what foods are “evolutionarily inappropriate” for them to eat, it is reasonable to assume that on most days most people eat the “wrong foods” for their blood type (e.g., Type O eating wheat, Type A eating meat, etc.).

Thus, according to D’Adamo’s theory, almost everyone experiences repeated showers of agglutinated red cells throughout their bloodstream after every meal daily and month after month.
If the capillary beds in your heart, lungs, kidneys, brain, eyes, and other essential organs are subjected to bombardment after bombardment of agglutinated red cells, they will eventually begin to clog up.

Human blood is grouped into four types: A, B, AB, and O. Each letter refers to a kind of antigen, or protein, on the surface of red blood cells. For example, the surface of red blood cells in Type A blood has antigens known as A-antigen structures.

How scientific are these claims about the Blood Group Diet?

According to Dr. N’Adamo ,everyone thrives best on a particular food and exercise according to their blood group.Specific blood groups are matched to dietary recommendation. Some of the recommendations are summarized below.

The O diet 

Eat meat (high protein, low carbohydrate). Cut out wheat and most other grains. Engage in vigorous aerobic exercise. Your risk factors for ulcers and inflammatory diseases, such as arthritis increase if you eat inappropriately for your blood type.

The A diet

You should be largely vegetarian (eating a high carbohydrate, low fat diet). Engage in gentle exercise such as yoga or golf and meditate to deal with stress. Your risk factors for cancer and heart disease increase if you eat incorrectly, according to Dr D’Admao.

The B diet 

You should have the most varied diet of all the blood types, one including meat; yours is the only blood type that does well with dairy products. Engage in exercise such as moderate swimming or walking. Your risk for slow-growing viruses that attack the nervous system increases if you eat incorrectly for your type.

The AB diet

You have most of the benefits and intolerances of types A and B, so most foods which are recommended for either type A or B will also work for you. Engage in calming exercises and relaxation techniques.You have a strong immune system.

I hear a lot of people talk about the blood type diet and ask me questions which I have no answers to. I finally had to search for myself to find out if the blood type diet is scientific and evidenced based. Blood type has little to do with digestion or body chemistry.
A recent study conducted by researchers from the University of Toronto in Canada suggest the theory does not add up.

[bctt tweet=”The theory behind the Blood Type Diet is not valid. Based on the data of 1,455 study participants, we found no evidence to support the Blood Type Diet theory” Dr Ahmed El-Sohemy, Associate Professor at the University of Toronto” username=”dietcareghana”]

“The theory behind the Blood Type Diet is not valid. Based on the data of 1,455 study participants, we found no evidence to support the Blood Type Diet theory,’ said the senior author of the study, Dr Ahmed El-Sohemy, Associate Professor at the University of Toronto.
The researchers found the associations they observed between each of the four blood type (A, B, AB, O) diets and the markers of health are independent of the person’s blood type.

What are you thoughts on eating right for your blood type?

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