Have you got a healthy body?If your answer is‘not',I think I can help you.You must have a good living habit,for example,get up early in the morning,go to bed early in the eveing.Then,you should have a good eating habit,eat more fresh vegetables and fruit.Do exercises regularly,twice or three times a week is enough.And the most important is that keep peaceful mind,enjoy what life offers you.
(转载的,我用这篇应付过测试,还算可以.）