What should people do to stay healthy?

→People have many things to keep being healthy.
I would like to refer to three examples.
First, people need to eat a lot of vegetable.
Second, they should do exercises everyday.
Finally,they should get up early and also go to bed early.

自分だったらこう書きます!
留学してたんで、信用度は低くはないと思いますが、会話とライティングは違うので、あくまで私の意見です。