what are canker sores and why are they so darn painful?

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I am currently reeling from one, and I don’t understand where this little white dot came from and why it can cause so much pain.

In: Biology

18 Answers

Anonymous 0 Comments

I don’t think there’s a clear-cut explanation for what causes them, aside from the fact we know they’re not contagious, and not caused by the same virus as cold sores.

But they’re painful because the areas they develop on are the ones with fairly thin and delicate skin/mucous membrane and tons of nerve endings.

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