What diseases are people with the second blood group susceptible to

1 16 - 17The individual traits of a person, his character are largely determined by the blood group. It can be used to judge the characteristics of the nervous system, digestive tract, possible diseases. The second group arose with the advent of agriculture, which left a certain imprint.

History of blood groups

According to the theory of the Polish researcher Ludwig Hirszfeld, primitive people were characterized only by the 1st blood group, and their digestive system was adapted to digest the main available product – meat.

Over time, the population grew, hunting could no longer feed everyone, and humanity began to include more plant foods in its diet. As a result, 20-25 thousand years ago, the first “vegetarians” – farmers with a mutated blood composition – representatives of group A (2nd) appeared.

The changes coincided with the settlement of the Eurasian continent and mass migration to its European part, which is still dominated by people with the second group. A person has learned to live in society, to communicate with others, to establish strong ties. The level of aggressiveness was significantly reduced, and to achieve the goal, different qualities were now required: resourcefulness, dexterity, ingenuity, diplomacy and even cunning.

Much later, about 5-10 thousand years ago, the 3rd blood group arose, and its “homeland” is the territory of India and Pakistan. Quite “young”, only a few thousand years old, 4th group.

AB0 system

They tried to make blood transfusions back in the 18th century, but not every experiment ended successfully. Only at the turn of the 19th and 20th centuries, Karl Landsteiner, a scientist from Austria, noticed the presence of special substances (antigens) in erythrocytes, which he designated with the letters A and B.

Based on the discovery, three blood groups were identified:

  • 0 (I, that is, the first) is characterized by the absence of antigens A and B,
  • A (II) – with A antigen,
  • B (III) – the presence of B-antigen.

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The fourth group (AB, IV) was discovered a few years later, when Landsteiner’s students identified erythrocytes containing both antigens A and B.

The discovery made it possible to save the lives of millions of people and not to act blindly during transfusion (see Table 1).

Table 1. Compatibility of blood groups during transfusion

RecipientDonor
O (I) Rh−O (I) Rh +A (II) Rh−A (II) Rh +B (III) Rh−B (III) Rh +AB (IV) Rh−AB (IV) Rh +
O (I) Rh−+
O (I) Rh +++
A (II) Rh−++
A (II) Rh +++++
B (III) Rh−++
B (III) Rh +++++
AB (IV) Rh−++++
AB (IV) Rh +++++++++

Rh factor

2 16 - 21Also important for blood transfusion and for a woman during pregnancy is the Rh factor. If a person has the second group and Rh is positive (characteristic for 85% of Europeans), then he should be transfused with blood with the same indicators, if Rh is negative, then the donor should have Rh−. In emergency cases, the first Rh negative blood is allowed.

The very 2nd group with Rh +, in addition to a similar one, approaches the positive 4th (the fourth group is also called the universal recipient).

Compatibility in women and men is important, not only by blood, but also by factor. During pregnancy, a Rh-conflict can occur if the mother has this indicator is negative, and the fetus inherits a positive Rh from the father. Then the female body will perceive the child as an alien object, throwing all its strength into eliminating the threat.

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Ideally, if the fetus receives a negative rhesus from the mother, but it is almost impossible to calculate (see table. 2).

Table 2. Rhesus inheritance

Mother’s Rh factor Father’s Rh factor

Rh +Rh−
Rh +anyany
Rh−anyRh negative

Second group by inheritance

The child will inherit the second group if one of the parents is a carrier of the A antigen. The following combinations are possible:

  • 3 14 - 25second and fourth (A2 + AB4),
  • second and first (A + 0),
  • second and third (A + B),
  • fourth and first (AB + 0),
  • fourth and third (AB + B).

The probability as a percentage can be tracked in the table (see Table 3).

Table 3. Inheritance of blood groups,%.

MamaDad
First (I)Second (II)Third (III)Fourth (IV)
First (I)I – 100%I – 50%I – 50%II – 50%
II – 50%III – 50%III – 50%
Second (II)I – 50%I – 25%I – 25%II – 50%
II – 50%II – 75%II – 25%III – 25%
III – 25%IV – 25%
IV – 25%
Third (III)I – 50%I – 25%I – 25%I – 25%
III – 50%II – 25%III – 75%III – 50%
III – 25%IV – 25%
IV – 25%
Fourth (IV)II – 50%II – 50%I – 25%II – 25%
III – 50%III – 25%III – 50%III – 25%
IV – 25%IV – 25%IV – 50%

The combination of the first and the third will never give the second blood group – this factor is often taken into account in the forensic examination to establish paternity or motherhood.

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What does blood type mean for health?

Having dealt with the history of the occurrence of blood groups, you can safely, by one analysis to determine your category, establish useful and harmful products for yourself, choose an effective diet, and avoid many diseases.

Typical diseases

Owners of the second group should pay attention to the work:

  • The digestive organs. There can be gastritis, pancreatitis (with low acidity), cholecystitis.
  • Hearts. Characterized by a tendency to heart disease, ischemia, thrombosis, atherosclerosis.
  • The circulatory system. Predisposition to acute leukemia.
  • Thyroid glands – violations of its functions are often observed.
  • Genitourinary system (urolithiasis).

Also, people of this type are prone to catch food infections, smallpox, they are prone to dental diseases.

Food

4 13 - 29For a human body with a second blood group, it is important to get a maximum of minerals and vitamins with food. Since such people are predisposed to vegetarianism, the basis of the diet should be fruits, vegetables, grains. It is better to eat them fresh, without heat treatment, however, you should not get too carried away with a raw food diet.

Table 4 clearly shows what should be consumed to maintain the health and proper functioning of all organs.

Table 4. Useful and harmful foods for people with the second blood group

Product categoriesHealthy foodsHazardous products
VegetablesAlmost everything, especially carrots, beets, cucumbers, bell peppers, broccoli.Pickled vegetables and pickles
Moderately: tomatoes, eggplant, cabbage, potatoes
Fruits and berriesAlmost everything: apples, peaches, kiwi, apricots, grapes, strawberriesAll sour varieties and types, as well as citrus fruits: lemons, grapefruits, oranges
MeatModerately dietary varieties: rabbit, chicken, turkey. Better to steam, bake or boilAll fatty types (lamb, pork)
Fish and SeafoodLean speciesAll fatty varieties
Cereals, grains and legumesAll types of cereals: buckwheat, rice, millet, pearl barley, etc. From legumes – soybeans, beans, lentils
BeveragesFruit juices, tea, natural coffeeAlcohol, orange juice
Milk and dairy productsLimited – natural yogurt, low-fat cottage cheese, hard cheeseAlmost all dairy products

Also, it is better to exclude hot sauces, mayonnaise, confectionery from the diet.

Diet and sports

Taking into account the usefulness and compatibility of foods (Table 4), a variety of diets have been developed, in which the main emphasis is on plant foods.

If in sports, positive dynamics of weight loss and improvement of the body are observed during yoga, callanetics (this is such a selection of static exercises aimed at muscle contraction and stretching), Pilates, athletics.

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Character by blood group

People with the 2nd group are characterized by accuracy in everything, conscientiousness, reliability, diplomacy.

They are hardworking, successfully advance in their careers, and in a team they often become informal leaders. Such a person deals with stresses and difficulties gradually, “unraveling the ball”.

They make excellent doctors, teachers, administrators, politicians. In general, it is better to choose a profession related to the service sector, constant contacts, one where you can apply your gift of communication.

In a family, a person with a second group will be able to establish a life, create a comfortable atmosphere, these are loving parents and spouses.

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Tatyana Jakowenko

Editor-in-chief of the Detonic online magazine, cardiologist Yakovenko-Plahotnaya Tatyana. Author of more than 950 scientific articles, including in foreign medical journals. He has been working as a cardiologist in a clinical hospital for over 12 years. He owns modern methods of diagnosis and treatment of cardiovascular diseases and implements them in his professional activities. For example, it uses methods of resuscitation of the heart, decoding of ECG, functional tests, cyclic ergometry and knows echocardiography very well.

For 10 years, she has been an active participant in numerous medical symposia and workshops for doctors - families, therapists and cardiologists. He has many publications on a healthy lifestyle, diagnosis and treatment of heart and vascular diseases.

He regularly monitors new publications of European and American cardiology journals, writes scientific articles, prepares reports at scientific conferences and participates in European cardiology congresses.

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