Knowing the right way to handle stress in the classroom and on the sports field can make the difference between success and failure for the millions of students who are back in school this fall. The culprit? The stress hormone cortisol.

Psychologist Sian Beilock says, "We found that cortisol, a hormone released in response to stress, can either be tied to a student’s poor performance on a math test or contribute to success, depending on the frame of mind of the student going into the test."
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