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With the increasing competitive pressure, the incidence of brain diseases is on the rise. For example, cerebrovascular diseases caused by stress, such as hypertensive cerebral hemorrhage, are caused by long-term mental stress, which makes blood pressure fluctuate greatly, thus causing damage to brain blood vessels. Also, the incidence of brain tumors may be related to long-term stress and lifestyle changes. Because stress will affect the immune system of the human body, the body's ability to monitor and remove tumor cells will decrease.(A) the increase of brain diseasesWith the increasing competitive pressure, the incidence of brain diseases is on the rise. For example, cerebrovascular diseases caused by stress, such as hypertensive cerebral hemorrhage, are caused by long-term mental stress, which makes blood pressure fluctuate greatly, thus causing damage to brain blood vessels. Also, the incidence of brain tumors may be related to long-term stress and lifestyle changes. Because stress will affect the immune system of the human body, the body's ability to monitor and remove tumor cells will decrease.

(A) the direction of research and developmentThis competitive pressure has not only brought about a crisis in employment, but also had an impact on psychology and physiology. From the psychological point of view, under the pressure of long-term competition with machines, human beings are prone to negative emotions such as anxiety and inferiority. The accumulation of these emotions may lead to mental health problems, such as depression and neurasthenia. Physiologically speaking, in order not to be eliminated in the competition, people are often overworked and in a state of tension for a long time, which will affect the nervous system function of the human body. For example, long-term stress may lead to headaches, insomnia and other problems, and even serious organic diseases of the nervous system.(B) the improvement of the demand for nerve repair

Third, the relevance of biomedicine in neurosurgery(A) the increase of brain diseasesIn the process of human competition with AI and humanoid robots, human beings will inevitably face some accidents, which may cause damage to the nervous system. For example, in the competition in some high-tech fields, human beings may participate in high-risk experiments or operations, and once an accident occurs, there is a great possibility of nerve damage. Biomedicine in neurosurgery plays a key role in nerve repair. For example, some nerve growth factor drugs can promote the regeneration and repair of damaged nerves; The research of stem cell technology in neurosurgery also brings hope for the treatment of nerve injury. By transplanting stem cells to replace damaged nerve cells, the function of the nervous system can be restored.