Body fat is controlled far more effectively by exercising than by dieting.
But some people lose weight when they start an exercise program, while others do not. It makes a big difference how you exercise. To use exercise to help you lose weight, you should exercise intensely at least once a week. If you want to use exercise to help you lose weight, pick a sport and do regularly for a few months. When you are in shape, you should try to exercise intensely once a week.