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Good Question: How Far Can We Push Our Bodies?

On Monday afternoon, 64-year-old Diana Nyad finally accomplished something she'd attempted five times over the past 35 years: swim without a shark cage from Cuba to Florida. So, that had us wondering: How far can we push our bodies? Heather Brown reports (2:47).

WCCO 4 News At 10 – Sept. 2, 2013