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    It's important for us to be healthy. Everybody wants to be healthy. But how can we keep healthy? Here is some useful advice. First, you should eat fruit and vegetables three or four times a week. There are some kinds of vitamins our bodies need. We should not eat too much meat. Then eat some tofu every day because it's good for people, both the young and the old. Milk is also necessary(必要的), especially for women. So you should have milk twice a day. It can help you to be strong. Next, doing more exercise is better. You can do morning exercises or evening exercises. After supper you should take a walk.