Why do I have to draw blood every time I see a doctor? I took so much blood. What did I do with it

Every time we go to the hospital for examination when we have physical problems, we will be tested by nurses in high probability. Through this test, doctors can see our health from the data. But why do doctors sometimes have to go through blood tests to see our physical problems. < / P > < p > the amount of hemoglobin in the human body is related to whether the body has anemia. When the number of human hemoglobin is gradually decreasing, it is very easy to lead to anemia and hypoxia. The appearance of anemia symptoms is generally caused by the low amount of hemoglobin in the human body for a long time, so we need to find the disease in the body as soon as possible, which can also play a preventive role. < / P > < p > blood drawing is mainly to test some components in the blood by chemical means, so as to understand the condition of the body. When the human body suffers from hypertension, hyperlipidemia, erratic blood glucose, anemia and other conditions, we can detect them. Moreover, we can also detect the content of platelets in the body, detect whether the platelet aggregation function is normal, this index can also detect the health of the body. < / P > < p > in fact, the frequent anemia in life is mainly concentrated in pregnant women, because of pregnancy reaction, the amount of food they eat is relatively small, so their body can not balanced intake of nutrition, thus increasing the probability of suffering from anemia. Therefore, pregnant women in daily life as much as possible to supplement the body’s iron, which can effectively promote the body’s platelet synthesis and the normal development of the fetus. < / P > < p > the composition of the blood is changing slightly anytime and anywhere, but the blood routine of leukemia patients will appear special abnormalities of white blood cells, platelets and hemoglobin, and once the leukemia cells in the body account for more than 30% of non red blood cells, it means that the leukemia cells have entered the stage of mature development, and at the moment it will be accompanied by abnormal joint pain. < / P > < p > first of all, the blood can not be sold, which violates the principles of medical health. After the blood in the human body is extracted, it will be sent to a test process. After the test, the blood will become medical waste. Medical waste will be collected and treated in a centralized way to avoid environmental pollution. < / P > < p > this situation will not occur in normal hospitals, and the blood drawn from regular examination will not cause harm to the body. Secondly, blood has the ability of self recovery, to a certain extent, blood is helpful to the body. < / P > < p > before blood drawing, people can’t eat breakfast, try to keep fasting blood drawing, so as to understand the situation in human blood. In addition, people in the blood to maintain a calm and easygoing state, once there is tension and anxiety, the body will be in a state of stress, which is not conducive to the normal blood test. < / P > < p > in addition, for the people who often have anemia, we can appropriately supplement the food rich in iron ions, promote the synthesis of hemoglobin in the body, and help to alleviate the symptoms of anemia. It is a common thing to take blood test after getting sick, but the number of times of taking blood will have a certain impact on the body, so we try to avoid getting sick in life. Pregnant dream “Golden Dragon” is about to “give birth to a boy”? You think too much, the function of fetal dream is not here