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The Dunedin Study was set up in the 70s to learn more about children's health and development, by following a cohort of children from birth.
It's still going, and the original particpants are now adults with their own children.
Researchers are collecting data on this next generation, and new findings show what we might all suspect - that we're moving away from the nuclear family structure. Dr Helen McAnally talks to Jesse about what they're seeing.
Photo: pixabay