Short Wave

When is your brain actually 'adult'?

September 7, 2026·13 min·4-min readnarrativescience
Podzilla Summary (4 min)
TLDR
A new neuroscience study challenges the long-held belief that the human brain finishes developing by age 25, revealing instead that adolescence may last until age 32, with major implications for how we understand mental health, maturity, and human evolution. The episode unpacks this parad

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Guest

D

Duncan Astle

narrative on Short Wave

Mentions

Books, people, and resources mentioned in this episode.

People

Duncan AstleRegina BarberRachel CarlsonRebecca RamirezTyler JonesKwesi Lee

Companies

NPR

Research & Papers

New study from Duncan Astle's lab

Topics

BiologyLong Form JournalismMental HealthNeuroscienceResearchScientific Method

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