Cerebral hemorrhagic anthrax, arteriovenous malformation (brain), chronic inflammation, polyneuropathy, dementia due to metabolic causes, encephalitis, epilepsy, febrile convulsions (children), generalized tonic-clonic seizures, Greene-Bali general signs, hydrocephalus , Inhalation anthrax, leukemia and neuroblastoma, and can be used for the treatment of brain or spinal cord of malignant diseases, meningitis, multiple sclerosis, normal pressure hydrocephalus (NPH), pituitary tumor, spinal gray inflammation, Rey's syndrome , Subarachnoid hemorrhage, syphilis, tertiary etc.
After analyzing the causes of brain drainage, we analyze the influence of brain drain on the country. Brain drainage can cause many disadvantages to home country. First, brain drainage may weaken the employment structure, which is a major obstacle to industrial development. Because it affects the performance of your country from the perspective of economic growth. Second, the phenomenon of brain drainage is a vicious cycle of underdeveloped development, leading to shortage of home education and skilled workers. Trained skilled workers leaving their country of origin and found better opportunities in other countries. Third, the gap between the rich and the poor is expanding. Fourth, they spend a lot of money to educate people for study abroad rather than return home and people will waste money in the country of origin as they work in the host country. Sixth, brain drain has caused a great loss to human capital.
Brain drain refers to immigrants from workers who are well-trained or fully educated in a particular country. Brain drain can be divided into three forms. The first form is "primary external brain drain", which occurs when highly educated workers leave to work in developed countries. The second form is called "Secondary external brain drain". This occurs when highly educated workers leave their own country and work in other areas of the developing area. The last form is "internal brain drainage", when workers with high-level education are not working in the appropriate region of their own country, or when moving from one department in the country to another department It is a state. In this article we will analyze the cause and effect of the first form of the brain drain which is the main external brain drain.