Our hard-wired stress response is designed to give us the quick burst of heightened alertness and energy needed to perform our best. But stress isn't all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a look at what goes on inside our body when we are chronically s...

View full lesson: http://ed.ted.com/lessons/how-stress-... Our hard-wired stress response is designed to give us the quick burst of heightened alertness and energy needed to perform our best. But stress is not all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a ...