Now people are more concerned about their health. They pay more attention to their diet than before. In order to keep healthy, we should try to do the following: First, we should keep a correct and balanced diet, which means we should eat more vegetables and fruits and less meat. Second, we should eat less high-calorie food, such as fast food, and drink less carbonated drinks. Third, we should do more exercises. If we follow the guide, I think we will become healthier.