Can dead brain cells be regenerated?

Even living brain cells (e.g cells in the central nervous system e.g. brain and spinal cord) in the adult mammalian brain cannot regenerate their processes. Hence spinal cord injury is permanent. Many labs around the world have been working on this problem. It is very intransigent. read more

Conventional medical wisdom has held that people are born with all of the brain cells they will ever have, and once they are gone, they are permanently gone. Now, however, scientists have found that cells in the region of the brain responsible for memory and learning are capable of being regenerated in a laboratory. read more

For almost 100 years, it had been a mantra of biology that brain cells or neurons do not regenerate. It was thought that from conception to age 3 all your significant brain development happened then and that was that. Contrary to what had been the widely held popular belief, neurogenesis continuously occurs in specific regions in the adult brain. read more