Head Injury

an neurons regenerate? Are the brain and spinal cord nerve cells able to repair themselves or replicate? This is a topic that has received more attention in the past decade than it enjoyed in the previous 50 years. To appreciate this some historical review is in order. But first, here’s a story to begin this section. Recently, in 2006, Dr. Michael Fehlings extracted adult stem cells, not embryonic fetal stem cells, from adult rats and injected them into the spinal cords of rats that had had their spinal cords crushed. He found that when he treated these “implanted” rats with a cocktail of human growth hormone, and minocycline, these rats were able to make new myelin sheaths around the nerve fibers which restablished the ability of the nerves to conduct their signals from the brain to the muscles of the …