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Getting Older, Wiser and Less Elastic

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Toddler running and falling

What is it about aging that is so hard? And what exactly is aging? Those are some of the questions that Dr. Dan Gotchling is trying to answer. 

Gotchling heads the Gotchling Lab at the Fred Hutchinson Cancer Research Center and he spoke with Sound Effect host Gabriel Spitzer about the biological perils of aging and what it means at the most micro level.