Eating yellow vegetables, 🍋🍌🌾🌽🍍🧀🍟🍣🍤🍠🍝🍪🌻🐥💛💥🎒🌟🎃⚂.
Actually it's a builded up dead skin cells called PAPILLAE, most likely caused by poor oral hygiene. Authorities consider it harmless.
Floss and brush your teeth and tongue daily should eliminate the problem.
Causes. Yellow tongue usually occurs as a result of a harmless buildup of dead skin cells on the tiny projections (papillae) on the surface of your tongue. Most commonly this occurs when your papillae become enlarged and bacteria in your mouth produce colored pigments.
Yellow tongue Causes - Mayo Clinic
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