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Astronaut Chris Hadfield: "I couldn't run for about four months"

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Astronaut Chris Hadfield: "I couldn't run for about four months"

Astronaut Chris Hadfield: "I couldn't run for about four months"
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Astronaut Chris Hadfield: "I couldn't run for about four months"

CBSTV Videos 2:13 mins

Col. Chris Hadfield, author of "An Astronaut's Guide to Life on Earth," discusses the effect of space on the human body, as well as how his body felt after he returned to Earth after living aboard the International Space Station.

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