Tooth decay: microorganisms in the mouth feed on this food particles and produce an acidic secretion and destroys the enamel or coating in the teeth resulting in tooth decay.
Toothache: painful swelling in the root of the teeth.
Mumps: an infection of the salivary glands.
Dehydration: the body loses too much water.
Diarrhea: frequent release of watery feces due to an infection of the digestive track cause by contaminated food, illness, intestinal problem or food poisoning.
Constipation: having hard stool and by difficient and infrequent defacation.
Ulcer: open sore in the internal organs of the body.