NATGEO  |  Health

Can you grow new brain cells? The debate could reveal the secret of superagers.

你能生长新的脑细胞吗？这一争论可能揭示超级老人之谜

For decades neuroscientists have argued over whether adult brains can form new neurons, a process called neurogenesis. The answer could explain why some brains remain healthier into old age.

For decades neuroscientists have argued over whether adult brains can form new neurons, a process called neurogenesis. The answer could explain why some brains remain healthier into old age.

2026-03-05  1301词  困难
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A paper published last week in the journal Nature created a flurry of excitement when it appeared to settle that debate in the affirmative. It suggested that the secret of superagers—people with exceptional cognitive ability for their age—may be the fact that they have more new neurons than their peers. It was the second study in the last year that seemed to support the possibility of neurogenesis.

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