书面表达。 健康饮食关系到青少年的身心健康成长。请根据以下提

One Possible Version:
     Healthy eating is important for us in our daily life. Food can give us energy and help us build up our body.
What and how should we eat to be more healthy? First, we should have enough clean food each meal. Second,
it's important to keep a balanced diet. Different kinds of food provide us different nutrition we need every day.
Third, we should hve a regular meal. In this way, we'll be strong and healthy, and we'll do well in our study.