Such attacks are usually traceable to their proper cause, the removal of which is followed by prompt recovery. _What are the common causes of acute indigestion?_ This is frequently due to overeating, to indulgence in some special article of improper food, or to eating heartily when overtired. Acute indigestion often marks the beginning of some acute general illness. _How should acute indigestion be managed?_ One should bear in mind that for the time being the digestive organs have stopped work altogether. The important thing, therefore, is to clear out from the intestines all undigested food by some active cathartic, such as castor oil. The stomach has usually emptied itself by vomiting. All food should be stopped for from twelve to thirty-six hours, according to the severity of the attack, only water being given. _At the end of this time is it safe to begin with the former diet?_ No; for such a procedure is almost certain to cause another attack of indigestion. At first only broth, thin gruel, very greatly diluted milk, or whey should be given. The diet may be very slowly but gradually increased as the child's appetite and digestion improve, but in most cases a week or ten days should elapse before the full diet is resumed. _What are the symptoms of chronic indigestion?_ These, although familiar, are not so easily distinguished and are very often attributed to the wrong cause. There are usually general symptoms such as indisposition, disturbed sleep, grinding of the teeth, fretfulness, languor, loss of weight and anaemia. There are besides local symptoms: flatulence, abdominal pain, abdominal distention, constipation, or looseness of the bowels with mucus in the stools, foul breath, coated tongue, loss of appetite, or an abnormal capricious appetite. Such symptoms are often wrongly ascribed to intestinal worms. _What are the common causes of chronic indigestion?_ This is generally the result of a bad system of feeding, either the prolonged use of improper food or of improper methods of feeding. Examples of bad methods of feeding are, coaxing or forcing to eat, rapid eating with insufficient mastication eating between meals, allowing a child to have his own way in selecting his food, as when he lives largely upon a single article of diet. Things to be considered under the head of improper food are, indulgence in sweets, desserts, etc., the use of imperfectly cooked foods, especially cereals and vegetables, and of raw or stale fruits. _Is it not true that a diet or a special article of food which does not make a child ill is proof that such a diet or such a food is proper for a child?_