Nature: The century-old debate over whether adult human brains grow new neurons remains unresolved
AnnaCiaunica · x · 2026-10-12
- A Nature news feature reviews the decades-long controversy over adult neurogenesis: the long-standing truism that humans are born with all their neurons is looking shaky, and growing evidence suggests the brain may produce new nerve cells throughout life — implying an enduring capacity for repair and regeneration.
- Neuroscientist Arturo Alvarez-Buylla (UCSF), who has spent years on the question, remains skeptical of the data quality. The piece examines how much evidence would be enough, and touches on findings that neurogenesis is impaired in people with depression.
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