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Watch Click Season 25 Episode 17 Online

  • 6/10
  • Subtitles: English

Lara Lewington travels to California to meet the scientists and experts researching our brain health, and investigating whether we can change how our brains age. On her journey, Lara also meets the residents of one of the world's so-called Blue Zones, and finds out about the latest experiments being trialled by tech entrepreneur Bryan Johnson.