Indeed also u gotta try low carb just decrease the amount of carbs that u eat.
She should do cardio and muscular endurance workouts because the more muscle you have the more calories you burn.
One way in determining your fitness level is trying to do a Full Sprint Run and holding your breath for as long as you can. That way you can determine your cardiovascular capacity and lung capacity. On improving your fitness levels you should do swimming, jogging and of course a balanced diet.
