The 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.
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.
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
|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 +||+||+||+||+||+||+||+||+|
Also 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.
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
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:
- second 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,%.
|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.
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.
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.
For 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 categories||Healthy foods||Hazardous products|
|Vegetables||Almost everything, especially carrots, beets, cucumbers, bell peppers, broccoli.||Pickled vegetables and pickles|
|Moderately: tomatoes, eggplant, cabbage, potatoes|
|Fruits and berries||Almost everything: apples, peaches, kiwi, apricots, grapes, strawberries||All sour varieties and types, as well as citrus fruits: lemons, grapefruits, oranges|
|Meat||Moderately dietary varieties: rabbit, chicken, turkey. Better to steam, bake or boil||All fatty types (lamb, pork)|
|Fish and Seafood||Lean species||All fatty varieties|
|Cereals, grains and legumes||All types of cereals: buckwheat, rice, millet, pearl barley, etc. From legumes – soybeans, beans, lentils|
|Beverages||Fruit juices, tea, natural coffee||Alcohol, orange juice|
|Milk and dairy products||Limited – natural yogurt, low-fat cottage cheese, hard cheese||Almost 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.
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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