How to be healthy?

How to be healthy?
Tell me something about how to be healthy.For example,we should eat healthy food and so on.

how can you have good health?Firstly,you should do exercise every day to strengthen your bodies.Secondly,you should form some good habits,such as early rising.If you get up early,you can breathe fresh air.Thirdly,you should pay great attention to your health .If you are getting sick,you'd better to see a doctor.
In a word ,nothing is more valuable than health.In good health,a student many absorb more knowledage and solv more complex problems.If you are strong ,you can overcome the difficulties that lie ahead of you.