People differ from each other. They have different mental and physical abilities, inclinations, interests and health. But, despite this, they can be combined into groups according to a common criterion. According to one of the modern theories, the characteristics of a person’s personality , its strengths and weaknesses, mental and physical abilities, sexual inclinations and even health status are largely dependent on the composition of his blood.
Characteristics of people having the first blood group. Hunters
These are strong, purposeful and assertive personalities, self-confident, constantly eager for power and dreaming of being leaders. Often they become them. The "hunters" have a well-defined instinct for self-preservation. The strength and endurance of the body they provide products containing a lot of protein. If its quantity is insufficient, the carrier of the first blood group becomes lethargic, discourages and gains additional kilograms of weight. The nervous system of the "hunters" is stable, emotions are normal. Negative qualities include: excessive arrogance and excessive narcissism, intolerance of criticism and jealousy, fussiness and inability to change nutritional conditions. They are prone to gastrointestinal illnesses, allergic disorders, thyroid problems, and blood clotting. The men of the first group are active lovers, but they do not care much about the desires of their partners. Women are perfect passionate lovers.

Characterization of people with a second blood group. Farmers
This category of people is characterized by such features as decency and law-abiding, discipline, modesty and accuracy. They know how to control themselves. People with this blood type respect each other and other people's personal property. They know how to collaborate with other people. "Farmers" are smart and resourceful, calm and patient, friendly and sensitive, love order and harmony. The disadvantages of people in this category are excessive stubbornness and inability to relax. They love comfort and coziness, avoid conflicts. In the soul - incorrigible romance. The Zamolers is deeply emotional. Prolonged patient restraint of emotions can result in a deafening affect. Such people are prone to rheumatic diseases, asthma, diabetes, heart disease, allergies, cholelithiasis, cholecystitis and even cancer. Sexually, they are shy and restrained. Women are passive.
Characterization of people with a third blood group. Nomads
These people are the most flexible, able to adapt to everything new. “Nomads” easily adapt to the external environment, get along well with other people, are ready to obey the established rules and procedures, are very contact and tolerant, they are ill little. The disadvantages of people with a third blood group can be called excessive individualism and taciturnity. They should beware of pneumonia, joint diseases, multiple sclerosis, as well as immune disorders. They are susceptible to infections after surgery and childbirth. Men treat sex as entertainment, can change their wife. Women show little interest in the intimate side of life. They are faithful wives.
Characteristics of people with a fourth blood group. Riddle people
They are calm, considerate, balanced and accommodating. It’s easy and pleasant with them. Everyone usually loves them, because they are soft and friendly. The disadvantages of these people are extreme indecision, fear of everything new, inability to make the right decision. They don’t know what they want. They often have low self-esteem. Such people should be wary of infectious, heart diseases, anemia, and cancer. Men are sexual seducers. All representatives of the fairer sex, entering into a close circle of communication, are crazy about them. Women are very sensual; they know how to get sexual pleasure with almost every man.
In conclusion, it should be noted that the blood type, of course, is an important, but not the only factor affecting the formation of character. Everyone has families and parents who raise their children in different ways. In addition, we live in different conditions, which also affects how our destiny develops. In order to form an opinion about someone, not only the number of his blood group is important, but also the characteristic of human behavior.