3 basic principles of the blood type diet

Blood can tell a lot about a person because it is basically a carrier of life and destiny. Did you know that there is a very fashionable diet at one time depending on the blood type? Some fat people are still interested in it and are studying the list of allowed foods.

It should be said right away that this method has been repeatedly criticized by doctors and has no scientific basis. But, forewarned - armed, so let's try to learn everything about this diet.

A history of diet

In the past, people believed that everyone has the same blood. Do you remember the story of Mowgli? "You and I have the same blood - you and I! " But soon, after trying to share their blood with the sick and wounded, the theory arose that the blood was actually different.

Many scientific studies and experiments were conducted with animals and humans, but it was only in 1900 that three blood groups were discovered by Karl Landsteiner, and a little later, the fourth was discovered by his students.

Currently, the world has adopted an alphanumeric classification:

• O or I - the first;
• A (II) – the second;
• B (III) – the third;
• AB (IV) is the fourth.

The most common blood types in the world are the first and second blood types. Its carriers make up 80% of the entire population. The third is less common, accounting for 15%, while the fourth is considered the rarest, accounting for only 5%.

American naturopathic doctor Peter D'Adamo said at the end of the 20th century that if certain human diseases are directly related to genetic characteristics and often depend on blood type, then it is possible to eat according to blood type. He asked each patient about certain food preferences and created the right diet for each group. All nutrients were divided into useful, unnecessary and neutral.

D'Adamo has written several books on diet. They were a huge success among American readers and became bestsellers. After that, his concept of "4 blood groups - 4 ways to health" spread all over the world, and everyone who wanted to lose weight rushed to use the new diet.

What that?

Basic principles and rules

Depending on the blood groups, the diet is as follows.

• At each period of human evolution, there was a certain diet, when it changed, the blood mutated and a new group was formed. So there is a basic set of items for each group.
• To keep your body in top shape, you need to eat the way your blood type ancestors did. Thanks to the biochemical connection between blood and food, the "right" foods are better digested, digested quickly, increase metabolism and strengthen the immune system.
• If you remove the "wrong" foods from your diet, you can improve your body's functioning, improve your health and extend your life.

For example, moving to another habitat or tourism, the body does not accept the unusual local cuisine, and health problems begin.

If a resident of the Far North, who has been eating fatty protein foods all his life, decides to move to Europe with a cuisine rich in carbohydrates, he is at a higher risk of developing diabetes and digestive diseases.

You don't have to look far for examples, look around. Some people hate dairy, others love plant foods, and others simply starve if they don't eat a big piece of meat. Maybe it's not for nothing?

Common food table for all groups

Let's get acquainted with the research of Dr. D'Adamo, who divided foods into prohibited, permitted and neutral based on blood type.

Conventional signs:

• Products subject to restrictions are marked with a "-" symbol;
• permission - "+";
• neutral – "0".

Product name		A band	blood
	I	II	III	IV
Cereals and flour products
Bakals	—	—	—	0
Rice waffles	0	+	+	+
Hot yeast products	—	—	0	0
buckwheat	0	+	—	—
Corn starch	—	0	—	—
manna	—	—	0	0
Pearl barley	0	0	—	0
Barley porridge	0	0	—	0
corn	—	0	—	—
Pasta	—	—	0	0
Buckwheat flour	0	+	—	—
Wheat flour (of hard varieties)	—	—	0	0
Corn grits and flour	—	0	—	—
Beautiful	—	+	+	+
Rye flour	0	+	—	+
Muesli	—	—	—	0
Cookies "Cracker"	—	—	0	0
Oatmeal cookies	—	0	+	0
Millet	0	0	+	+
Rye gingerbread	0	—	0	0
Wheat	—	—	—	0
Rice	0	0	+	+
black wheat	0	+	—	0
Grain bread	—	—	—	0
Whole bread	—	—	—	0
Written bread	0	0	0	0
Wheat-rye bread	0	0	0	0
Wheat bread	—	0	+	0
Rye bread	0	0	—	+
Rye bread	0	+	—	+
Corn Flakes	—	0	—	—
Cereal crops	—	0	+	+
Wheat flakes	—	—	—	0
Barley	0	0	—	0
Juice and drinks
Apricot	0	+	0	0
Cherry plum	+	+	0	0
Pineapple	+	+	+	0
Light brown	—	—	0	—
Burch	0	0	0	0
Grapes	0	0	+	+
Cherry	+	+	0	+
Pomegranate	0	0	—	—
Grapefruit	0	+	0	0
Cabbage	—	0	+	+
Cranberry	0	0	+	+
Citric	0	+	0	0
Carrot	0	+	0	0
Cucumber	0	0	0	0
Celery	0	+	0	+
Apricot	+	+	0	0
A tomato	0	—	—	0
apple cider	—	0	0	0
Apple	—	0	0	0
Decoctions and herbal teas
hawthorn	0	+	0	+
Valerian	0	+	0	0
ginseng	0	+	+	+
St. John's wort	—	+	0	0
Strawberry leaves	—	0	0	+
Linden	+	0	—	—
burdock	—	+	0	+
Raspberry	0	0	+	0
Coltsfoot	—	0	—	—
Mint	0	0	0	0
Dandelion	+	0	0	0
parsley	+	0	+	0
daisy	0	+	0	+
Licorice root	0	0	+	+
Yarrow	0	0	0	0
Thyme	0	0	0	0
Echinacea	0	+	0	+
Rosehip berries	+	+	+	+
Dairy Products
Whole milk	—	—	0	—
Yogurt	—	0	+	+
Food grade casein	—	—	0	0
Kefir	—	0	+	+
Goat's milk	—	0	+	+
Skimmed milk	—	—	+	0
Milk whey	—	—	0	0
Ice cream	—	—	—	—
Cream	—	—	0	—
Cream	—	0	+	+
Cheese made from cow's milk	—	—	0	0
Sheep cheese	0	0	+	+
Recycled cheese	—	0	0	—
Cottage cheese	0	0	+	+
Homemade cottage cheese	0	0	+	+
Fats and oils
Cod liver oil	0	0	0	0
Margarine	0	0	—	—
Peanut butter	—	—	—	0
Coconut oil	—	—	—	—
Corn oil	—	—	—	—
Linseed oil	+	+	0	0
Olive oil	+	+	+	+
Sunflower oil	0	0	—	—
Butter cream	0	—	0	—
Soybean oil	0	0	—	0
Cottonseed oil	—	—	—	—
Nuts and seeds
Peanut	—	+	—	+
Walnut	+	0	0	+
Pine nuts	0	0	—	0
Almond	0	0	0	0
Hazelnut	0	0	—	—
Macn seeds	—	0	+	+
Sunflower seeds	0	0	—	—
Pumpkin seeds	+	+	—	—
Pistachios	—	—	—	0
Vegetables and mushrooms
Sweet potatoes	+	—	+	+
Swedish	0	0	+	0
Oyster mushrooms	0	+	0	0
Daikon	0	0	0	0
Zucchini, Zucchini	0	0	0	0
White cabbage	—	—	+	0
Broccoli	+	+	+	+
Brussels sprouts	—	0	+	0
Chinese cabbage	—	—	+	0
Red cabbage	—	—	+	0
Cabbage	+	+	+	+
Cauliflower	—	—	+	+
Potatoes	—	—	—	0
Kohlrabi	+	+	0	0
Watercress	+	+	+	+
Green onions	0	+	0	0
Lic	+	+	0	0
An onion	+	+	0	0
Carrot	0	+	+	0
cucumber	0	0	0	+
Parsnip	+	+	0	+
Hot pepper	+	—	+	+
sweet pepper	0	—	+	+
Rhubarb	—	—	—	—
Radish	0	0	—	—
Radish	0	0	—	—
turnip (turnip)	+	+	0	0
Starts	0	0	0	0
Leaf salad	0	0	0	—
Kyzlycha	0	0	0	0
Kyzlycha	+	+	+	+
Celery	0	0	0	+
Asparagus	0	0	0	0
A tomato	0	—	—	0
Jerusalem artichoke	+	+	0	0
Pumpkin	+	+	—	0
Chicory	+	+	0	0
Champignon	—	—	0	0
Spinach	+	+	0	0
legumes
Soy	0	+	+	+
Peas "Navy"	—	—	+	+
Black beans	0	+	—	—
Green beans	0	0	0	0
Green beans	0	0	0	0
Soy milk	+	+	0	0
Soy cheese	+	+	0	0
White beans	0	0	0	0
A variety of beans	+	+	—	+
Lentils	—	+	—	+
Herbs and spices
Vanilla	—	0	0	0
Carnation	0	0	0	0
Mustard	0	+	0	0
Fruit jam and jelly	0	0	0	0
Ketchup	—	—	—	—
Coriander	0	0	0	0
Cinnamon	—	0	—	0
Bay leaf	0	0	0	0
Mayonnaise	0	—	—	0
Honey	0	0	0	0
Nutmeg	—	0	0	0
Paprika	0	0	0	0
Pepper curry	+	0	+	+
Black pepper	—	—	0	—
parsley	+	0	+	+
Kant	0	0	0	0
Pickles and marinade	—	0	0	—
Caraway	0	0	0	0
dill	0	0	0	0
You are deaf	—	—	0	—
Wine vinegar	—	—	0	—
Apple cider vinegar	—	—	0	—
Fennel	0	0	0	0
Horseradish	0	0	+	+
Chocolate	0	0	0	0
Fruits and berries
Avocado	—	0	—	—
Cherry plum	+	+	+	+
Pineapple	0	+	+	+
Light brown	—	—	0	—
Watermelon	0	0	0	0
A banana	0	—	+	—
Barberry	0	—	—	—
Cowberry	0	+	+	+
Grapes	0	0	+	+
Cherry	0	+	0	+
Blackcurrant	0	+	0	0
Pomegranate	0	0	—	—
Grapefruit	0	+	0	+
Pears	0	0	0	0
Melon	—	—	0	0
Blackberry	—	+	0	0
Raisins	0	0	0	0
Figs	+	+	0	+
Kiwi	0	0	0	+
Strawberry	—	0	0	0
Cranberry	0	+	+	+
Gooseberry	0	0	0	+
A lemon	0	+	0	+
Raspberry	0	0	0	0
Mandarin	—	—	0	0
Green olives	—	—	—	0
Black olives	—	—	—	0
Nectarine	0	0	0	0
Coconut	—	—	+	+
Peach	0	0	0	0
Apricot	+	+	+	+
Blackcurrant	0	0	0	0
dates	0	0	—	—
Cherries	+	+	0	+
Blackcurrant	0	+	0	0
black plum	+	+	0	0
Apple	+	+	+	+
Seafood
Carp	0	+	0	0
Smelt	0	0	0	0
Som	—	—	0	0
Caviar	—	—	—	+
squid	0	—	0	—
Flounder	0	—	+	—
Salmonidae	+	+	+	+
Smoked salmon	—	—	—	—
Mackerel	+	+	+	+
Seaweed	+	0	—	0
Sea bass	0	0	+	+
River perch	0	0	0	0
Sturgeon fish	+	0	+	+
Halibut	+	—	+	—
crustaceans	0	—	—	—
Salted herring	—	—	+	—
Fresh herring	+	+	0	0
Salted herring	—	—	0	—
White fish	+	+	+	+
River pike	+	0	+	+
Som	—	—	0	0
Zander	0	+	+	+
Code	+	+	+	+
tuna	0	0	0	+
acne	0	—	—	—
Mackerel	+	+	+	+
Trout	+	+	+	+
Hake	+	—	+	—
Meat products, poultry, eggs
Ham	—	—	—	—
Beef	+	—	0	—
Fat meat	+	—	0	—
Beef	+	—	0	—
Bacon	—	—	—	—
Lamb meat	+	—	+	+
Rabbit meat	0	—	+	+
Goose	—	—	—	—
Duck	0	—	—	—
Turkey meat	+	0	0	+
Broiler chickens	0	0	—	—
An egg	0	0	+	0
Chicken meat	0	0	—	—
Ham	—	—	—	—
Heart	+	—	—	—
Liver	+	—	0	0
Hello	—	—	0	0
Pork	—	—	—	—
Other drinks
White wine	0	0	0	0
Red wine	0	+	0	0
Drinking water	+	+	+	0
Vodka	—	—	—	—
coca cola	—	—	—	—
Brandy	—	—	—	—
Black coffee	—	+	0	+
Lemonade	—	—	—	—
Alcohol tinctures	—	—	—	—
the beer	0	—	0	0
Soda drinks	+	—	—	0
Green tea	0	+	+	+
Black tea	—	—	0	—

Diet according to blood type 1

The first positive blood type is the most common in the world. It is often found among Eastern Slavs and American Indians.

People with the first blood group are universal donors, that is, this type of blood is suitable for everyone. By the way, mosquitoes prefer the first blood group.

Features of nutrition (hunter, carnivore)

All ancient people living in primitive social structures had the first blood group, and all others arose through mutation.

Now let's recall the history of the Ancient World, archeological excavations and the conclusions of scientists - 40, 000 years ago, primitive people lived by hunting and gathering. Their main diet consisted of meat, meat and more meat, followed only by roots, grasses and edible fruits and berries that grew wild in the forests.

Thus, the owners of the first group carry the genes of the oldest hunters, and at the gene level, their body requires as much protein as possible. Diet, unfortunately, is the worst. If you decide on such a diet, you will have to give up your favorite foods.

The first blood type diet includes meat, fish and vegetables. It is better not to use milk and its derivatives at all.

Permitted and Prohibited Products

	What can be eaten	What to limit	Neutral products
Meat	Beef, veal, lamb, turkey, offal (liver, heart), minced meat.	Ham, ham, smoked meat, pork, lard, goose.	Rabbit, duck, broiler chicken, chicken, eggs.
Fish and seafood	Halibut, sturgeon, seaweed, fresh herring, pike, cod, mackerel, trout, hake.	Salted and pickled herring, catfish, caviar, smoked salmon, catfish.	Carp, smelt, flounder, squid, perch, pike, tuna, eel, crustaceans.
May	Olive and flax.	Peanuts, corn, cottonseed, soybeans.	Cod liver oil, margarine, soy, sunflower and butter.
Nuts and seeds	Nuts, pumpkin seeds.	Peanuts, poppy seeds, pistachios.	Almonds, hazelnuts, pine nuts, sunflower seeds.
Dairy Products	—	Almost all dairy products.	Lamb and cheese, cheese.
Vegetables and fruits	Broccoli, cabbage, kohlrabi, watercress, onion, onion, parsnip, hot pepper, turnip, Jerusalem artichoke, pumpkin, chicory, spinach, cherry plum, fig, plum, cherry, plum, apple.	White cabbage, Brussels sprouts, Chinese cabbage, red cabbage, cauliflower, potatoes, rhubarb, mushrooms, lentils, avocados, oranges, melons, blackcurrants, tangerines, olives.	Zucchini, green onions, carrots, cucumbers, sweet peppers, radishes, radishes, lettuce, lettuce, beets, celery, asparagus, tomatoes, black beans, green beans, green beans, white beans, pineapple, watermelon, bananas, lingonberries, grapes, cherries, blueberries, pomegranates, grapefruit, pears, raisins, kiwi, cranberries, blueberries, lemons, raspberries, nectarines, peaches, currants, persimmons, blueberries.

A sample of a day's menu

• Breakfast- grilled meat steak, fresh vegetable salad.
• Snack– apples or other permitted fruits.
• The dinner- boiled trout, green tea.
• Lunch- a handful of walnuts.
• The dinner- sea cocktail with algae.

Diet according to blood type 2

No less than the general group. It is literally a few hundred years younger than the first one and was formed by mutation after ancient hunter-gatherers decided to settle in a permanent place and engage in agricultural activities.

People with blood type O produce more of the hormone cortisol, which helps them deal with stress. In addition, they are, unfortunately, prone to alcoholism.

Characteristics of feeding behavior (farmer)

25, 000 years ago, meat-eating hunter-gatherers learned to work the land and harvest its bounty. This is the very beginning of the development of the agricultural way of life. People built settlements, cultivated fields, and began to grow grain crops and vegetables.

There was less protein food, animals moved away from people, and it became difficult to get meat.

Sometimes the second blood type is called "vegetarian". The largest number of its speakers live in Europe.

The diet of people with the second blood group should include vegetarian food, fish, poultry and dairy products. But it is advisable to avoid coffee, beans and meat.

Permitted and Prohibited Products

	What can be eaten	What to limit	Neutral products
Meat	—	Beef, veal, lamb, dairy products (liver, heart), minced meat, ham, bacon, ham, goose and duck, pork, rabbit, lard.	Eggs, broiler chickens, chickens, turkeys.
Fish and seafood	Salmon varieties, carp, mackerel, fresh herring, cod, mackerel, trout.	Squid, catfish, caviar, halibut, flounder, smoked salmon, catfish, crustaceans, salted herring.	Salmon, seaweed, pike, tuna, perch, sturgeon.
May	Olive and flax.	Peanuts, coconuts, corn, cotton, oil.	Cod liver oil, margarine, soy and sunflower.
Nuts and seeds	Peanuts, pumpkin seeds.	Pistachios.	Almonds, hazelnuts, poppy seeds, sunflower seeds, pine nuts and walnuts.
Dairy Products	—	Milk, ice cream, cream, whey, cheese made from cow's milk.	Yogurt, buttermilk, goat's milk, cream, sheep and cottage cheese, cottage cheese.
Vegetables and fruits	Broccoli, collards, kohlrabi, watercress, green onions, onions, leeks, carrots, parsnips, turnips, pumpkins, chicory, spinach, black beans, various beans, lentils, cherry plums, pineapple, lingonberries, cherries, blueberries, grapefruit, figs, cranberries, lemons, plums, cherries, blue plums, apples.	Tomatoes, white and cauliflower, champignons, olives, hot and sweet peppers, potatoes, rhubarb, tangerines, bananas, oranges.	Paprika, nutmeg, coriander, cloves, radishes, beets, cucumbers, zucchini, fennel, Brussels sprouts, radishes, lettuce, celery.

A sample of a day's menu

• Breakfast- buckwheat porridge, Korean carrots, green tea.
• Snack– allowed fruits or vegetables.
• The dinner– Baked chicken breast with a green bean side dish.
• Lunch- carrot juice.
• The dinner- fruit salad with cottage cheese.

3. Diet according to blood type

The third group is very rare and is more typical of Asian peoples - they were famous for their huge herds of animals - horses, cows, goats and sheep in the old days. Of course, they had to travel from one place to another to take care of livestock.

Characteristics of feeding behavior (nomadic)

When milk and milk products began to be actively introduced into the diet, and this happened about 10, 000 years ago, the blood mutated again.

The largest number of people with the third blood type live in Asia - they are hereditary nomads.

People of this type are the happiest - they have practically no restrictions, they are omnivores. It is necessary to remove semi-finished products, smoked meats, alcohol.

Permitted and Prohibited Products

	What can be eaten	What to limit	Neutral products
Meat	Sheep, sheep, eggs.	Ham, bacon, pork, duck, goose and chicken, chicken.	Beef and veal, turkey, lard.
Fish and seafood	Almost all types of fish.	Smoked salmon, caviar, seaweed, eel, crustaceans.	Carp, smelt, perch, herring, tuna, catfish.
May	Olive.	Margarine, peanuts, coconut, corn, cotton, soy, sunflower.	Oil and flax, cod liver oil.
Nuts and seeds	Poppy.	Peanuts, pine nuts, hazelnuts, pumpkin and sunflower seeds.	Nuts, almonds.
Dairy Products	Yogurt, kefir, goat's milk, cream, sheep's cheese, cottage cheese.	Ice cream.	Whole milk, cheese, cream, cream.
Vegetables and fruits	Cauliflower, white and red cabbage, carrots, broccoli, hot and sweet peppers, beets, watercress, pineapple, lingonberries, bananas, grapes, apples, cranberries, plums.	Corn, lentils, beans, potatoes, radishes, radishes, tomatoes, pomegranates, avocados, pumpkins, barberries, olives, dates.	Melon, spinach, watermelon, grapefruit, cherry, fig, blueberry, raisin, pear, blackberry, blueberry, lemon, kiwi, strawberry, gooseberry, plum, raspberry, nectarine, currant, peach, sweet cherry, dill, kohlrabi, onion, Zucchini, asparagus, parsnip, turnip, beetroot, celery, Jerusalem artichoke.

A sample of a day's menu

• Breakfast- boiled eggs, cottage cheese, herbal tea.
• Snack- fruits in time.
• The dinner- creamy mushroom soup, stewed rabbit.
• Lunch– natural yogurt with banana pieces.
• The dinner– boiled veal with green beans.

4. Diet according to blood group

The fourth group was created by mixing the second and third groups after the people began to live in large settlements and cities.

People with blood type IV are more likely to develop senile dementia and Alzheimer's disease. But they are universal donors of plasma, which is very valuable in the treatment of burns.

Features of eating behavior (puzzle)

This blood is the youngest, its age is not more than two thousand years. It is truly unique in its composition and resistant to autoimmune and allergic diseases.

These people follow a mixed diet, with few dietary restrictions. But it is advisable that they eat natural biological food as much as possible.

Permitted and Prohibited Products

	What can be eaten	What to limit	Neutral products
Meat	Lamb, rabbit, turkey.	Beef and veal, ham, bacon, poultry, pork.	Eggs, liver, lard.
Fish and seafood	Salmon, caviar, mackerel, perch, sturgeon, pike, pike, cod, tuna, trout, mackerel.	Squid, flounder, smoked salmon, halibut, salted herring, eel, hake.	Algae, carp, algae, perch, catfish, fresh herring.
May	Olive.	Margarine, butter, coconut, corn, cotton, sunflower.	Peanut, soy, flaxseed, cod oil.
Nuts and seeds	Peanuts, poppy seeds, walnuts.	Pumpkin and sunflower seeds, hazelnuts.	Almonds, pistachios, pine nuts.
Dairy Products	Yogurt, kefir, goat's milk, sheep's cheese, cottage cheese, cream.	Ice cream, cream, whole milk.	Milk, cheese, skim milk,
Vegetables and fruits	Cabbage, beets, potatoes, figs, celery, kiwi, cherries, pineapples.	Black olive, green pepper, corn, banana, coconut, pomegranate.	Carrot, kohlrabi, horseradish, Chinese cabbage, apple, apricot, watermelon.

A sample of a day's menu

• Breakfast- whole bread, tofu (beans), radish salad.
• Snack- vegetables or cottage cheese.
• The dinner- boiled fish with potato puree, carrot salad.
• Lunch- yogurt.
• The dinner- omelette, salad, whole bread.

Does the Rh factor affect nutrition?

From school, we know that there are four blood groups in total, and when we consider the Rh factor, the number doubles. It was first discovered after research on rhesus monkeys, hence its name. The Rh factor can be positive and is called (Rh+) or negative (Rh-). It shows the presence or absence of an antigen (protein) found on the surface of erythrocytes (erythrocytes).

However, in fact, it is arbitrary to divide blood into only four groups - if we take into account all the properties of blood, then there are many more of them. D'Adamo ignores this fact.

In D'Adamo's famous book, there is absolutely no mention of the effect of the Rh factor. Since more than 80% of the world's population has a positive Rh factor, the diet is specially designed for these people.

Contraindications to diet

Without prior consultation with a doctor, people with the following diseases are prohibited from following a diet on their own:

• Diabetes mellitus;
• chronic digestive problems;
• hematopoietic disorders;
• ORVI.

In addition, if any diseases worsen, it is not recommended to go on any diet until you feel better.

Do not experiment on yourself under any circumstances during pregnancy or breastfeeding, remember that you are responsible not only for your own life, but also for the child.

Opinions of those who are losing weight

• "It's an ideal diet for people who don't have health problems. However, if you are overweight, then there are a priori various diseases, so the diet will not work. It is convenient, of course, there is a wide selection of products, but this method did not suit me - the doctor forbade me to eat all the products allowed on the table. It turns out that the table is almost 90% contrary to the doctor's recommendation.
• "I don't have a medical degree, but I can clearly see the big flaws - the diet is completely unscientific. One of them is that people in the second group must rely on a vegetarian diet, and those with the third and fourth are omnivores, but they are exactly the second. Generally I don't try. "
• "I lost 10 kg in a few months! Blood type diet is very good, easy to lose weight. I think you can stay on this diet for the rest of your life. I recommend this great diet to anyone who wants to lose weight! "
• "The blood type diet is complete nonsense. Don't confuse yourself with these healthy, unhealthy, and neutral foods. No fanaticism, eat everything in moderation. If you want something sweet, eat 1-2 pieces of candy, if you want a piece of bread, but don't starve yourself. "
• "I showed the products approved for the second blood type at work - the whole team laughed, wiped their tears, and ate meat cutlets (yes, yes, half of our team is a "farmer"). Honestly, I have never seen a more stupid and completely unacceptable diet! "

Opinions and criticism of doctors

Blood test diet is not approved by doctors. Because each person is so individual, it is necessary to carry out comprehensive research and obtain information on more than sixty specific genes responsible for endocrine and enzyme activity, and only then create a diet. And the blood group is a very generalizing factor in this case and cannot be responsible for the correctness of the menu of a particular person.

Thus, doctors believe that D'Adamo's theory has no scientific basis, is little studied, but does not cause any special harm. And in some cases, it even helps to stimulate the body and activate accelerated metabolism.

In addition, D'Adamo included some truly harmful foods among the prohibited foods for all blood types - sausages and smoked meats, store-bought sauces, ice cream, sodas, alcoholic beverages, and more.

Yes, do not forget about the placebo effect - a person believes and loses weight.

The pros and cons of dieting

Advantages:

• a large list of permitted products;
• easy to carry;
• the ability to create a varied and balanced menu;
• you can hold it for a long time.

Disadvantages:

• there is no clear plan of how, when and in what quantity to consume certain products;
• diet has no scientific basis, all conclusions are too general;
• Another profitable business for nutritionists and, of course, the creator himself.

Conclusion

Practice shows that some people actually managed to lose weight with this diet. But they note that the results do not last - the weight always comes back. So, you have to eat right almost all your life.