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Why Am I?
Full Season

Why Am I?

1000 Kiwis, studied for 40 years - to help uncover the science of all of us. What makes you, you? It's time to find out.. Made with the support of NZ On Air

Watch the entire series on TVNZ OnDemand

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Why Am I?
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  • Watch First

    Season 1, Episode 1
    • The Early Years

    AO What determines our personality, health, wealth and happiness? In 1972 the Otago University Medical School embarked on the ultimate nature/nurture test, to study 1037 babies for their entire lives.

    Watch Now
      • The Early Years

      AO What determines our personality, health, wealth and happiness? In 1972 the Otago University Medical School embarked on the ultimate nature/nurture test, to study 1037 babies for their entire lives.

      • Troubled Teens

      AO What is it that makes kids run off the rails, and what can be done about it? Why do some teens become career criminals, while others come right?

      • Our Genes and Us

      G The Dunedin Study has identified a fundamental developmental mechanism that completely rewrites the nature versus nurture argument. It's a genetic switch which is thrown by life events.

      • Dirt is Good, Dirt Poor is Bad

      G Series Final. This episode looks at the effects of modern life and aging - how excessive cleanliness affects asthma and allergies; how poverty can cause lifelong damage; and the physical effects of social isolation.