Your tongue can reveal surprising secrets about your health. 

Anemia, autoimmune disorders, food allergies.
In short, your tongue can sometimes be a good indication of your overall health. 

Here are some tongue-related conditions that show if your mouth can keep the secret of what's really bothering you.

1. Redness

This could mean you have a vitamin deficiency.
A shiny, bright red tongue can be a sign of your body that the iron or vitamin B12 is missing.

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