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What does marathon training do to your body? A reporter becomes the test subject

Before running the New York City Marathon, NPR's Elissa Nadworny gets a bone scan, blood work and a treadmill test to settle a question from Mom: Is this bad for my body?

What does marathon training do to your body? A reporter becomes the test subject

We haven't written up this one. NPR Health has the full story — the link below goes straight to it.

Read the original at npr.org →

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