If you want to control your body weight, change your daily habits. Walk ( ⓐ ) taking a car. If you do 30 minutes or ( ⓑ ) of physical activity on most days of the week, ⓒyou can achieve not only  your desired weight but also lifelong health. In other words, ⓓ(the, key, successful, to, and, control, improved, weight, health) is making physical activity a part of your daily routine.