How Far Would You Go to Replace Your Body? Mary Roach Has...

What this episode covers

For centuries, humans have tried to repair and replace our body parts -- from brass noses and pig organs to today’s lab-grown tissue. So where do we stand now? Sanjay sits down with author Mary Roach to discuss her newest book, Replaceable You: Adventures in Human Anatomy, which explores the wild history and newest experiments behind human “upgrades,” from 3D‑printed muscle to the ethics of elective amputation and what these innovations mean for our aging bodies. Our show was produced by Jennifer Lai with assistance from Leying Tang. Medical Writer: Andrea Kane Showrunner: Amanda Sealy Senior Producer: Dan Bloom Technical Director: Dan Dzula Learn more about your ad choices. Visit podcastchoices.com/adchoices

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Frequently Asked Questions

How long is this episode of Chasing Life?

This episode is 26 minutes long.

When was this Chasing Life episode published?

This episode was published on January 16, 2026.

What is this episode about?

For centuries, humans have tried to repair and replace our body parts -- from brass noses and pig organs to today’s lab-grown tissue. So where do we stand now? Sanjay sits down with author Mary Roach to discuss her newest book, Replaceable You:...

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