There is a huge disbelief that the older people are very weak to make a new brain tissue if damaged. But, in a new study it is found that, Contrary to popular thought, older adults’ brains can churn out just as many new cells as younger brains do. This is a huge development and this might lead to many things and many might even oppose it as they are very confident about the neurogenesis.
In a report published last week in Cell Stem Cell, scientists from Columbia University present new evidence that our brains continue to make hundreds of new neurons a day, even after we reach our 70s, in a process known as neurogenesis. To come to this conclusion, lead author Dr. Maura Boldrini, a research scientist at Columbia University’s department of psychiatry, and her colleagues looked at the brains of 28 deceased people aged 14 to 79.
The new findings give a snapshot of the healthy aging brain — and it’s a “positive” one, the researchers said. In general, old and young brains were capable of making the same number of new neurons from more primitive “progenitor” cells in the hippocampus. “It’s good news that these cells are there in older adults’ brains,” said lead researcher Dr. Maura Boldrini, an associate professor at Columbia University in New York City.
So it’s not clear whether the new brain cells would have the same connections, or function the same as younger adult brain cells do, noted Dr. Ezriel Kornel. He is an assistant clinical professor of neurosurgery at Weill Cornell Medical College in New York City. But Kornel, who was not involved in the study, said the findings offer a “hopeful” message. “Even as we age,” he said, “we still have the capability of producing new neurons.”
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