Blood type diet

The blood type diet promises chronically ill and overweight improvement. Thus, to determine A, B or AB, whether we are fat or thin, sick or healthy , claims Peter d Adamo , physician and author of Greenwich (Connecticut) in his book " Eat Right for your Type" , which was published in 1996 in New York .

His thesis : people tolerate some foods better than others, depending on which group they belong to. The reason is for d Adamo in food proteins, so-called lectins which react with the blood. Some foods trigger in people of certain blood groups from a defensive reaction of the immune system , their blood clots .

Metabolic disorders, such as an impaired digestion process , a retarded food metabolism, hormone or thyroid problems are the result. In the long term pulls the chronic diseases and health problems such as obesity by itself . So if patients forego foods that are incompatible with their blood type, they could recuperate diseases and decrease weight.

His theses leads the Americans back to the staggered formation of blood groups in evolution. Thus, the blood group was 0 created 40,000 years ago when humans are mainly nourished than hunter-gatherers of meat. Therefore DAdamo advises people of this blood type , especially to animal foods .

For individual blood groups, the following foods are recommended:

Blood group 0: The meat eaters. He tolerates dairy products just bad. Also, some cereals and legumes , such as beans and lentils, are unsuitable for metabolism. Fruits and vegetables , however, are well tolerated. Animal proteins such as meat and fish are recommended.


Blood group A should pay attention to a vegetarian diet, lots of grains and legumes , vegetables and fruits are recommended by d Adamo . Restraint is given in fish and dairy products .

Blood group B tolerates game, mutton , lamb and deep-sea fish such as cod and salmon very well. Chicken and shellfish should be eaten avoided and reduced grain and legumes. Milk, fruit and vegetables are well tolerated.

Blood group AB should mainly rely on vegetarian diet to lose weight. From time to meat and dairy products are allowed.


benefits
The blood type diet raises awareness of a "different" diet.

disadvantages

Recognized institutions such as the German Nutrition Society ( DGE ) and the Institute for Health Promotion , Nutrition and healthy lifestyles ( IGEL ) doubt the scientific basis of the diet. The useful combat serious diseases such as cancer with the Blood Type Diet has not been proven ( Medical Journal 7 November 2000).

D Adamo's theories lack the evidence : " Caking of lectins in blood is not documented," says Birgit White Mumesohn , a nutritionist of IGEL In addition, enter only the lectins of tomato , peanut and wheat germ in minute traces in the blood. The diet of the American holds for one-sided. For example, when advised of dairy products, the calcium balance 'm too short. The Ernährungswissenschaflterin advises instead to a full and balanced Ernährnung - " without restrictions " .

Conclusion of Stiftung Warentest , which has taken three blood type diet books under the microscope : Stay away . All three concepts were given the worst score .

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