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The tongue papillae, including the taste buds, can become inflamed. A sore tongue is not always a sign of something more serious. The tongue should be included in good dental health habits. Over time, smoking can make the tongue more sensitive to heat and cold.
Causes. The tongue is often exposed to several irritants that come in the form of food, drinks and smoke. For instance, excessive alcohol intake and smoking as well as intake of very hot coffee or tea can cause tongue irritation. Biting of the tongue may also lead to tongue injury.