Distinguish between constipation and indigestion. Mention their major causes

Constipation In this condition, the faeces are retained within the rectum as the bowel
movements occur irregularly. The causes of constipation are water deficiency, lack of roughage in diet, etc.

Indigestion In this condition, the food is not properly digested leading to a feeling of fullness. The causes of indigestion are inadequate enzyme secretion, anxiety, food poisoning, over eating and spicy food.