These days, many teenagers are unhealthy, and this is becoming a serious problem in modern society. One main reason is that there are not many places in our city where young people can do exercise or play sports. In addition, many teenagers spend too much time using their phones, computers, and watching TV, so they do not have enough physical activity. As a result, they become weaker, less active, and sometimes even face health problems like obesity. I believe that our city needs to build more sports centers, parks, and playgrounds for teenagers. Schools should also encourage students to take part in outdoor activities and sports clubs. These solutions help teenagers exercise more often, improve their physical health, and reduce stress. In conclusion, if there are more opportunities and places for teenagers to be active, they become healthier, stronger, and more energetic in their daily lives.