There are a lot of things you can do to keep yourself healthy! Firstly, you should always go to sleep early, and wake up early as well. You should eat only healthy food, more vegetables, fruits, and eat less fast food and heavy food. It's also very good to go in for sports. You can go swimming, running, or do some exercises every week, that will keep you fit! Many people say, that good mood makes you healthy too, so try to always be happy, and think about your health!