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Because the blood of AB blood group contains two antigens, type A blood antigen and type B blood antigen, they are called "double beauty and sorrow" by blood group researchers. The physiology of people with blood type AB not only has the peace and stability of blood type A, but also shows sensitive characteristics due to the addition of blood type B antigen.

Acute and chronic respiratory diseases

Some scholars have found that people with blood type AB are more likely to suffer from acute respiratory infections than people with other blood types. This is because there are both A antigen and B antigen genes on red blood cells in type AB blood, but at the same time, there is a close relationship between the presence of neither A antibody nor B antibody on the white blood cells that help the body control infection.

Due to the particularity of antigens and antibodies in blood type AB, some bacterial pathogens or viruses that can easily cause respiratory diseases are highly susceptible to infection of people with blood type AB. In addition, due to the rapid economic development in recent years, organic or inorganic dust in the air, including various microorganisms, viruses, protein allergens, and harmful gases, has gradually increased, which is also the cause of acute and chronic respiratory diseases in people with AB blood type. important reason.

hypertension

Hypertension is a clinical syndrome characterized by increased arterial pressure in the circulatory system, and is one of the most common cardiovascular diseases. There is a certain relationship between the triggering of hypertension and blood type. Researchers have found that the prevalence of hypertension among people with blood type AB is significantly higher than that of people with other blood types, and speculated that this may be related to the absence of anti-A and anti-B lectins in the serum of people with blood group AB, and lack of this part of the protective effect.

In addition, the blood viscosity of people with AB blood type is also an important reason for the high prevalence of hypertension. If the blood is sticky, the blood flow is naturally slow, and the pressure on the blood vessel wall is also relatively large, causing the AB blood group to become susceptible to hypertension. People with AB blood type are prone to mental stress, which has also become an important factor in the production of essential hypertension.

Sudden cardiac death

Sudden cardiac death refers to unforeseen natural death due to heart causes. Usually the heart promotes blood circulation through pressure, but when a heart disease occurs, the ejection function of the heart suddenly stops, leading to a sudden interruption of cerebral blood flow and loss of consciousness. If they are treated in time, they can survive, otherwise biological death will occur. Heart disease has a certain relationship with genetic factors, and blood type is one of the stable genetic traits of the human body. Blood group genes contain many chromosomes. These chromosomes are related to the development of certain organs. Of course, they may also include heart formation and heart function after birth. Russian medical scientists found that there is a possible correlation between heart disease, heart failure and blood type, especially the incidence of AB blood type is higher than other blood types.

Viral hepatitis

Viral hepatitis is a general term for liver diseases caused by various viruses. It is different from liver diseases caused by other pathogens, such as bacteria and parasites. Viral hepatitis is caused by viruses. There are many viruses that can cause liver disease. Because of their different pathogenicity, the symptoms and signs are different, so the degree of harm to human health is not the same, and the outcome is also very different.

According to a large number of research data, viral hepatitis or hepatitis virus carriers have the characteristics of family gathering, that is, if someone in the family has suffered from viral hepatitis, such as hepatitis B, the probability of their family members suffering from hepatitis B is often several times higher than that of normal family members. . In addition to close family contact with the cause of infection, this has a lot to do with the inherent susceptibility of the body, among which blood type may be one of the influencing factors. In short, statistics show that people with blood type AB are more susceptible to hepatitis virus and have a higher incidence rate than other blood types.

Schizophrenia

Schizophrenia is a kind of neurological disease that people with AB blood type are extremely susceptible to, and its genetic factors are objectively existing. Studies have found that schizophrenia has a distinct family genetic tendency. The prevalence of close relatives of patients with this disease is several times higher than that of the general population, and the closer the blood relationship, the higher the incidence.

Genetics has proved that schizophrenia caused by genetic factors is mainly due to chromosome aberrations or gene mutations, increase or decrease in the number of gene groups in a chromosome or a certain segment, position shift, or replacement of base positions in the DNA constituting the gene , The insertion or loss of bases, or the deletion or increase of nucleotide pairs can cause defects in protein and enzyme synthesis or changes in their functions, thereby damaging the structure of brain cells or their material metabolism, and hindering brain Normal development, defects in brain function appear, leading to the onset of adulthood.

Blood type genes are part of the 23 pairs of human chromosomes. Experts speculate that chromosome changes are closely related to blood type genes. In addition, people with AB blood type have a calmer personality, more sensitive neurological reactions, and a greatly increased chance of suffering from schizophrenia.

Pressure capacity of people with AB blood type

In terms of physiology, people with blood type AB more inherit the characteristics of people with blood type A. Their stomachs are the same as people with blood type A and are more receptive to plant-based foods. Although people of blood type AB can also accept animal protein due to the relationship of type B antigens, it is not as natural as people of blood type B. Because animal protein will more or less affect the metabolism of people with AB blood type.

However, when pressure comes, people with blood type AB show the slightest characteristics that are different from those of blood type A or B. The way they face pressure, more people with blood type O will first deal with stress through physiological means. Out of reaction.

When people with blood type AB face stress, the adrenal glands will automatically produce more adrenal hormones. These adrenaline quickly penetrate into the blood in humans of blood type AB, which is already high in adrenaline, and are transported to various human tissues through the blood. After receiving the adrenaline stimulus, human tissues begin to be in a very tense state, causing irritability, tantrums and other emotions under pressure.

If the physiology of the AB blood type is in such a tense state for a long time, it will quickly affect the body if it is not relaxed in time. The function of the immune system will gradually lose its ability to block germs and viruses, and the rate of metabolism will also slow down. More importantly, the nervous system will become very sensitive and in a state of high tension, which will aggravate negative emotions. Physical and mental health cause serious harm.

When encountering this situation, people with AB blood type are more likely to solve the problem by themselves, which is in line with their independent personality characteristics. However, because the human body of the AB blood type contains less adrenocorticoid, it also takes a longer time to eliminate the effects of stress.

Digestive system examination

People with AB blood type have weaker digestive system and less gastric acid, showing slower digestion and absorption of animal protein. Although people with AB blood type can accept both vegetarian diet and animal protein, because people with AB blood type do not have the same strong food digestion ability as people with O blood type, they exhibit slower metabolism and low efficiency. If people with AB blood type eat too much animal protein, it is easy to cause cardiovascular diseases.

Nervous system examination

Studies have shown that due to genetic factors, people with AB blood type are much more likely to develop schizophrenia than other blood types. At present, no definite medical evidence has been found to prove that people with AB blood type are susceptible to schizophrenia and blood antigens in AB blood people are related, but studies have shown that such diseases are closely related to blood genes.

Metabolism check

People with blood type AB are very similar to people with blood type A in terms of metabolism. For plant foods, their bodies can usually quickly accept them, showing the characteristics of fast metabolism and high efficiency. For animal food, the metabolism is not very fast, and the efficiency is not very high. This is manifested in body shape: People with type AB blood who love animal protein usually get fatter, while people with type AB blood who love vegetarian food can generally maintain a slim body. Because eating too much meat will slow down the metabolism of people with type AB blood, which may lead to fat accumulation and body weight gain. Therefore, it is best for people with AB blood type to eat some meat food appropriately to maintain a strong metabolism. Eating more soy products, seafood and dairy products can enhance the function of metabolism.

Cardiovascular examination

Type AB blood is more viscous and easy to coagulate, which has a good effect on hemostasis when injured or in need of surgery. However, like people with type A blood, such blood has a great risk of causing cardiovascular diseases. In addition, people with blood type AB also follow the high blood cholesterol content of people with blood type A, so people with blood type AB are also at greater risk of heart disease. ( Blood type and personality http:///xx/)

From this perspective, diet is particularly important for people with AB blood type. Viscous blood and high cholesterol content can easily cause cardiovascular disease, but in the AB blood diet, many foods have the effect of thinning blood and lowering cholesterol. For example, lemonade, soybeans and soybean products, fish oil, linseed oil and walnuts, etc., have very good effects on thinning blood and lowering cholesterol.