From Science Alert:
Scientists Discover Signs of New Neurons Developing Even in Adult Brains as Old as 87
Human beings grow new brain cells throughout their late adult life, a new study shows, even continuing when people are approaching their 90s.
The findings, which reveal how long neurogenesis really extends in humans, also show the process is suspended in patients with Alzheimer's disease – a discovery that could help us explore new ways to treat the condition.
Most neurogenesis takes place during embryonic development, and by the time people are born, the majority of their neurons has already formed.
But that's not the end of the story. In the 1960s, it was first discovered that adult neurogenesis also occurs in mammals: new nervous system cells continue to grow in the brain, even as animals get older.
Very cool - my Dad died at 94 - he was out for his usual morning walk and keeled over. I am just as if not healthier and in better shape than he ever was so planning for the long haul. Nice to know that the little gray cells are continuing to grow.
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