Why Did This 64-Year-Old Man's Tongue Suddenly Start Sprouting Green Hair?

Hairy Tongue

Representational Image (Canva) and image from the case study, courtesy: The New England Journal of Medicine

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Updated Jun 16, 2025 | 12:00 PM IST

SummaryA patient's tongue turned green about two weeks before he paid a visit to the doctor. Upon a closer look, he was diagnosed with a condition called hairy tongue. Read on to know what it is.

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