Why Exercise Makes You Less Anxious
Gretchen Reynolds of The New York Times examines new findings about the stress-reducing power of exercise.
Gretchen Reynolds – The New York Times
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Gretchen Reynolds of The New York Times examines new findings about the stress-reducing power of exercise. While it was once believed that increased levels of certain neurotransmitters such as dopamine and serotonin were the source of stress reduction, new research from scientists at Princeton University, the Neurobiology of Learning and Memory Laboratory at Dartmouth, and the University of Colorado suggests that this might not be the case. Recent findings at these universities imply that it is the physical stress of exercise that makes working out such a powerful mood-busting tool. In lab experiments, rats that exercised generated new brain cells better equipped to deal with stress, and, therefore, were better prepared to deal with future psychological stresses. The extent to which the rat experiments are relatable to humans as well as how much exercise is necessary to see stress-reducing benefits remains unclear. However, Reynolds’ article provides a new understanding of the power of exercise and inspiration to keep moving.
By Gretchen Reynolds
Published: November 18, 2009