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

Canker sores are small, painful reddish lesions in the mouth that have a white or yellow center. Some causes of canker sores are spicy/acidic foods, vitamin deficiencies, braces, and stress. Most ...

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 bacterial, non-contagious infections that occur on the gums, inner lips, inside the cheeks and sometimes on the tongue. They are usually red and round with a white center. Most canker ...

Roll your tongue around your mouth, and you might feel a sting from a new tender spot. A tiny, unwelcome crater of pain, a red circle of fire tucked against your cheek. It feels worse with every ...

Canker sores (sometimes referred to as mouth ulcers or “aphthous ulcers”), can be intensely painful. The Mayo Clinic defines canker sores as “small, shallow lesions that develop on the soft tissues in ...

Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies, and ...

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, ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Canker sores can be caused by acidic or spicy food, braces, or vitamin deficiencies. Alona Siniehina/Getty Images Canker sores are ...