For some people, summer is the time to head indoors to exercise. But others welcome the heat as a way to sweat more and get a better workout.
원문출처 : http://www.cnn.com/2017/06/13/health/sweating-workout-fitness-exercise-davis/index.html
원문출처 : http://www.cnn.com/2017/06/13/health/sweating-workout-fitness-exercise-davis/index.html