The document discusses obesity in teens and its causes and risks. It states that 16% of teens are overweight and 31% are at risk of health issues due to their weight. Obesity puts strain on the body and increases the risk of diseases like diabetes and heart disease. It is caused by low physical activity and poor nutrition, with teens spending too much time sitting and consuming large portions of unhealthy foods. The document provides tips for improving nutrition through choosing healthier sides and drinks, as well as increasing physical activity through activities like running, walking, and exercise videos.