The upper part of stomach feels unknown restlessness due to negative effect of displeasure event. Sometimes, it causes vomiting or leads to motions. Appetite vanishes and brain feels dizziness. Students must have felt these conditions during exams. These conditions are seen more obvious in children than elders.
The stomach cells becomes sensitive, sometimes pain is felt and causes indigestion. Excess of physical or mental work, lack of rest, fatigue, lack of proper sleep, lack of proper food also effect digestive system negatively.
Likewise, pain in any part of body, tension, worry also effect the performance of stomach. As a result, the disease of diarrhoea is seen. Experts exemplify this condition as nervous stomach.
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