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From the Radiolab podcast: How your grandfather’s diet can affect your lifespan, heart health - and even your diabetes risk.
Once a kid is born, their genetic fate is pretty much sealed. Or is it? In this episode, originally aired in 2012, we put nature and nurture on a collision course and discover how outside forces can find a way inside us, and change not just our hearts and minds, but the basic biological blueprint that we pass on to future generations.
Episode Segments:
0:00 Intro
1:26 Leaving Your Lamarck
27:38 You Are What Your Grandpa Eats
40:29 What If There Was No Destiny?
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This episode includes: discoveries by Jean-Baptiste Lamarck and Paul Kammerer; science writers Carl Zimmer and Sam Kean; Michael Meaney, a professor in the faculty of medicine at McGill University in Montreal; Frances Champagne from Columbia University; Lars Olov Bygren, a professor at Umeå University in Sweden; radio producer Pejk Malinovski; Karin Borgkvist Ljung, a senior archivist at the National Archive in Marieberg in Stockholm; Barbara Harris, founder and director of Project Prevention; and Lynn Paltrow, executive director and founder of National Advocates for Pregnant Women.
Video by Kim Nowacki and Andrea Latimer.