People often throw around terms like “endorphin rush” or “runner’s high” to explain the mood lift that can occur during or after a sweat session. But rather than a sudden burst of euphoria, research has found that a mere 20-minute workout can produce more subtle mood benefits that last as long as 12 hours.
Read more http://www.self.com/fitness/2012/05/benefits-of-exercise?currentPage=1
Thank you to Robin Hice for sharing this informative article about the mental and emotional benefits of exercise.