10 Causes of White Tongue
Cause #6: Mouth Breathing
The nose and mouth are the two air passageways to the lungs. While it is normal to use the nose to breath, having a stuffy nose may require an individual to breathe through his/her mouth. Breathing through the mouth can lead to issues in children such as poor growth, crooked teeth, and facial deformities.
In adults, it can lead to gum disease, bad breath, and a white tongue. This occurs as mouth breathing causes the mouth to become dry resulting in the proliferation of bacteria and accumulation of food debris and dead cells.
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