Stem cell treatments and rejection reactions

[youtube=http://www.youtube.com/watch?v=5MFgG_gYePY] Originally, doctors and scientists thought stem cells worked because they literally replaced the dead or damaged cells in the body. If this was the case, a rejection reaction would be possible. New research has shown however, that the injected stem cells release neurotrophic factors which push the patients own cells to begin renewing and healing

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Stem cell treatments and rejection reactions