منابع مشابه
The amazing brain drain
The CNS has long been considered an immune-privileged site as tissues grafted into the CNS are not rejected as they are in other tissues (Medawar, 1948; Billingham and Boswell, 1953; Barker and Billingham, 1977). An avalanche of evidence now suggests that this privilege is not absolute, as robust immune responses can occur in the CNS during infections and autoimmune diseases such as multiple sc...
متن کاملThe amazing brain drain
The CNS has long been considered an immune-privileged site as tissues grafted into the CNS are not rejected as they are in other tissues (Medawar, 1948; Billingham and Boswell, 1953; Barker and Billingham, 1977). An avalanche of evidence now suggests that this privilege is not absolute, as robust immune responses can occur in the CNS during infections and autoimmune diseases such as multiple sc...
متن کاملPlumbing the brain drain.
Opportunity is the driving force of migration. Unsatisfied demands for higher education and skills, which have been created by the knowledge-based global economy, have generated unprecedented opportunities in knowledge-intensive service industries. These multi-trillion dollar industries include information, communication, finance, business, education and health. The leading industrialized natio...
متن کاملBrain drain
Professor Emeritus, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, UK, [email protected] In this issue, three papers discuss the issue of the brain drain: of psychiatrists from Egypt and Nigeria, and of nurses from East Africa. They explore the complexities of professional migration and its impact on the health of populations in source and recipient countries; they a...
متن کاملRethinking the Brain Drain
When productivity is fostered by both the individual’s human capital and by the average level of human capital in the economy, individuals under-invest in human capital. A strictly positive probability of migration to a richer country, by raising both the level of human capital formed by optimizing individuals in the home country and the average level of human capital of non-migrants in the cou...
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ژورنال
عنوان ژورنال: Nature
سال: 2002
ISSN: 0028-0836,1476-4687
DOI: 10.1038/nj6871-03a