Mainly exercise. If you are only ten years old, you can get into the habit of taking a walk after meals and eating less snacks, and you can jog again in the morning. Good living habits will make people's health develop in a good direction, mainly relying on perseverance and exercising willpower, which will be of great help in the future. Take an active part in sports activities and do many things by yourself. In short, let the body move and strengthen the physique. I hope to adopt my suggestion.