When we talk about fitness, it can either be performance-related fitness or health-related fitness. This teen fitness article focuses on both type of fitness that affects both the mind and the body of teen guys and teen girls. Being fit gives you more energy for work, school, and allows you to enjoy life better. It wards off heart attack, colon cancer, diabetes, and high blood pressure; and being fit does not only assures good health but it makes you feel good about you...