It is important to maintain some fat for the regulation of fat- soluble vitamins. Exercise increases your metabolism. A higher metabolism helps your body to burn off calories not only when you exercise but also when you are inactive. If you are overweight, check with your doctor about exercising. Your body needs different kinds of exercises.
Strength training is also beneficial.
Keep in mind, that if your goal is to increase the amount of exercise and maintain your weight, you'll probably want to eat a few more calories. Setting an exercise goal and achieving it will increase your self-esteem. There are many types of physical activity that you can participate in.