In the young generation, their lifestyle is different from the old people's. They like to stay up and join many night activities, then they wake up very late. The new expression of brunch fits them so much, which means the people to have a meal combining with breakfast and lunch. But their health is under threat. Some young people's stomach hurts and can't digest food well. In order to keep healthy, we need to do some exercise and eat food regularly. What's more, the balanced diet is very important, as the saying that an apple a day, keeps the doctor away, so we need to eat properly. The healthy lifestyle makes us live happily.