Do You Need 10,000 Steps a Day?

Check out The Serengeti Rules, airing October 9th at 8pm ET on PBS, or at to learn how five pioneering scientists discovered a single set of rules that govern all life!

There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical, perfect number of steps?

Hosted by: Stefan Chin

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