The 'second wind' mystery
Ebony, July, 2004
Q I'm a routine runner. Can you tell me what happens when you get a second wind?
T.J., San Francisco
A The second wind, a point when you suddenly feel refreshed during exertion, is actually a release of endorphins into the blood stream, and corresponds to your body using the diaphragm to breathe rather than the muscles of the upper chest.
COPYRIGHT 2004 Johnson Publishing Co.
COPYRIGHT 2004 Gale Group
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