Study hard in addition to result in brain symptoms of fatigue, also make the body fatigue. Stress may occur any time when guests are not enough. Because of many class therefore, do not eat on time. And do not eat on time it is the cause of gastritis. Stress can be a trigger gastric juices in the stomach to pour out more than usual. Feel pain If there is no food in the stomach. Stomach would be ulcers. Therefore, should schedule time for learning and leisure time not to affect to the body and learning.