"Physical Activity Guidelines Advisory Committee Report, 2008" summarizes the association between physical activity and mental health. It points out that physical ctivity has the role in preventing and treating some mental diseases. Regular physical activity of moderate to high intensity can effectively prevent depression, dementia and the decrease of cognitive function due to seniority. Besides, it may alleviate anxiety, better the quality of sleep, reduce fatigue, relieve the feeling of pain and upgrade the feeling of happiness. The Guidelines also elaborate on the mechanism of physical ctivity affecting mental health, point out the existing problems in the present esearches and predict the future research directions. |