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  • Killer Stress: A National Geographic Special

PBS Presents | Killer Stress: A National Geographic Special - Preview | PBS

Duration: 00:31
Program: Killer Stress: A National Geographic Special
Broadcast Date: Aug. 3, 2011

In the beginning, stress saved our lives. It made us run from predators and enabled us to take down prey. But now, scientists are discovering, stress is measurable and dangerous.

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Post Date: July 18, 2011