A: Taste is when you determine the flavor and palatability of food. Taste gives you signals of dangerous gases and toxic food. All over your tongue, there are little bumps called taste buds. There are four different types of taste buds. You can taste sweets in the front of your tongue and sour taste at both sides of your tongue At the back, you taste bitter things. All over your tongue, you taste salty things.

A: There are many tongue disorders. Lumps or ulcers on your tongue can be a problem for people of all ages. It is caused by a papillae disorder. When you have lumps or ulcers on your tongue, you can get tumors if they aren't treated quickly. Glossitis and a geographical tongue are also cause by papillae disorder. It affects all people and results in inflammation of the tongue. It is caused by bacteria build-up and leads to fungal infection and a dark-colored tongue.

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