When you begin a diet, you probably lose weight
faster because much of it is water weight
. As you continue on your diet, the weight loss
You burn fewer calories the less you weigh. For example, a 180-pound person might burn 409 calories per hour doing low-impact aerobics. However, a 130-pound person burns only 295 calories doing the same. So if you keep doing the same activities, your weight loss slows down or stops.