Stress is thought to boost the activity of leukocytes, immune cells linked to inflammation throughout the body, including in ...

Canker sores often seem to pop up out of nowhere and, once you have them, they’re often painfully hard to ignore — especially when you try to eat or even talk. So what, exactly, are canker sores? They ...

Canker sores are painful ulcers that form inside your mouth. The sores can affect daily habits like eating and drinking. Experts recommend key practices like regular teeth brushing and flossing to ...

A young nurse and mother initially thought the red spot on her tongue was the physical toll of a bad breakup, but the reality ...

Those tiny white spots inside your mouth might be small in size, but they deliver pain far beyond their dimensions. Canker sores affect nearly everyone at some point, making simple pleasures like ...

One woman initially believed stress caused her canker sore, but later learned the red spot was much more severe than she ...

A canker sore—a painful white ulcer inside the mouth—might be brought on by stress. Or the wrong toothpaste. Or certain foods: tomatoes, peanuts, cinnamon. Or an iron deficiency. Or an allergy. Or a ...

Canker sores, though often overlooked, are a common oral health issue that can cause considerable discomfort. These small, painful ulcers typically form inside the mouth and can interfere with daily ...

Three times in the past year, I got a canker sore while traveling. The pattern makes it easy to diagnose: The cuisines of the countries I had traveled to were heavy in tomato sauce, cheese, yogurt, ...

DEAR MAYO CLINIC: My husband suffers from canker sores. He seems to get a new one almost every week, and at different places in his mouth. These sores are very painful. We’ve tried everything to get ...

If you've been periodically rocking canker sores on your inner lips, then it might have to do with the kind of toothpaste you're using. Featured Video Yes, it seems unfair that you, being a ...