I turned 50 during the pandemic and, like most people, I put off all nonessential health care, including my shingles vaccine. Big mistake. When the telltale red bumps of shingles cropped up on my face ...

Mouth ulcers, also known as canker sores, are painful lesions that develop inside the mouth, on the tongue, or along the inner cheeks. They can make eating, drinking, and even speaking uncomfortable.