Japanese researchers found that, to walk twice a week, each 20 minutes, can significantly improved mood, more positive and optimistic.
The researchers put 200 42 ~ 75-year-old adults were randomly divided into two groups. Psychological conditions of these people have no problem. Which a group of subjects walking at least twice a week, each 20 minutes. Accelerating the pace of walking, at the same time tempered with many other sports. Another group does not specialized training. After 32 weeks, the former members of a group of physical fitness is not only significantly better than the latter group, their mental health in higher scores. Endurance and vitality has increased, on the matter even more optimistic.

