You use your tongue for licking tasting swallowing and articulating speech. You clean it every morning when you brush your teeth. But when was the last time you actually observed it? Numerous problems can affect this organ and cause changes in its appearance. Some changes can be very subtle. Watch out for these signs and read on to find out what they mean and what you can do about it. 1. Discoloured Tongue Are you worried about the change in the colour of your tongue? A healthy tongue is pink in colour and covered with papillae. A discoloured tongue may