为了预防疾病，保持健康，你认为应该做些什么？根据下面提示写一篇50-70字的英语小短文

In order to prevent sickness and diseases, what can we do to keep healthy? We need to have enough rest, keep a balanced diet, exercises, drink enough boiled water daily and often change your clothes.Remember to open the window frequenty to get fresh air and to wash hands before the meals. Most of all, maintain our personal hygiene(卫生). You will keep healthy, If you can do as I tell you to.