Second, everyone will gain weight if they consume too much food without working out. Normally, a person needs about2000 calories per day. If he or she cannot use all of them, the remaining energy is changed to the fat and then it is accumulated in his or her body; therefore, his or her weight is increased. Furthermore, the exercise is one of the methods assisting people in burning energy and making them healthy and strong. If a consumer exercises too less, some caloriesare remained; as a consequence, it makes him fat as well. For instance, when I was young, I was obese because I liked eating a lot of junk food. Moreover, I didn’t like playing any sports because Ifelt very tired while I was studying physical courses. During that time, my health was bad and I needed to eat some medicines. Next, a doctor advised me to swim and then my body was better. At present, not only am I slim, but I also love swimming.