Spectrum: Why do we work out?


Manage episode 231430198 series 1451480
By Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio streamed directly from their servers.
On this week’s show, we look into the evolutionary origins of working out. And all the while, we speak to beefcake body builders, sports nutritionists and spinners at the world’s biggest fitness trade fair about why they work it so hard.

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