Nope: The papilla or taste buds on the tongue become elongated and have the change in color due to a bacterial imbalance. Here's and example...Using hydrogen peroxide as a mouth rinse too frequently. Or antibiotic usage.
Answered 5/28/2019
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Usually: Usually it is hairy. It's dark in color because of the stains picked up from the foods and drinks you consume.
Answered 11/13/2012
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