The Painful Truth: What Is the Canker Sore and How to End It
There’s a moment every sufferer remembers: the first sharp sting inside your mouth, like a needle pricking your gum or cheek. It’s not a burn, not a cut—it’s the unmistakable arrival of a what is the canker sore?—a small, white or yellow ulcer with a red border that refuses to stay away. Unlike cold sores, […]