Abdominal Pain: chewing gum can cause abdominal pain and intestinal syndrome. Chewing gum very often causes constant signaling when food is taken to the digestive system, in which case digestion is unnecessarily secreted by aids. This situation threatens the digestive system. Allergy: Gums which contain chemical products and additives are allergic to children especially. Children's chewing gum habit should be under control as it scientifically proves that it is the cause of skin, lungs and other eczema.