Mouth Sores FAQs

Mouth sores, or oral ulcers, make it painful to eat and talk. Two of the most common types of recurrent mouth sores are fever blisters, also known as cold sores, and canker sores.

Man applying sun screen

How Can I Lower My Risk of Skin Cancer?

The single most important thing you can do to lower your risk of skin cancer is to avoid direct sun exposure. Learn more about how ultraviolet (UV) radiation can damage the cells of your skin.