fact, exercise is one of the most important parts of keeping your body at a healthy weight. Exercise helps you lose weight and lower the risk of some diseases. Exercising to maintain a healthy weight decreases a person's risk of developing certain diseases, including type 2 diabetes and high blood pressure.i t also improves mode such as when you have a stressful day.it boost your body energy.i t also makes you feel good about yourself and your status.you can start today by doing like 30-40 min everyday.