About the importance of health, nobody can explain (good) than your doctor. They are the people really know the importance of keeping fit. Every time I put on an extra pound, my doctor will remind me about is happening these days in my body. We may look well, but we don't know (clear) what is going on inside.
And there are many different ways we can make sure that we are as (health) inside as we are outside. The (one) and easiest step is keeping a good and balanced diet. Next is sleeping well and sleeping early. Make sure you get your nine (hour) sleep. Do not skip your breakfast. It is one of the most important (meal) of a day. Exercise every day. Go for a swim, or walk, or play football or tennis. Try your best not to have too much stress it's very harmful to your health. Remember (keep) cleaning your hands because that can keep you away from many infections (传染病). And getting away from your bad habits is important too.