A recent article in the New England Journal of Medicine highlighted an interesting case of a rare medical condition called "black hairy tongue." Unsurprisingly, the condition basically makes you look like you’ve got a black hairy tongue - hence the name. But, what causes this bizarre condition, and are you at risk?
Here’s a riddle: Name someone or something who will never leave you, is right there hanging on every word you say, and who knows your taste 100 percent. Give up? It sounds like your best bud, right? Well if that’s your answer you’re close: It’s your taste buds!