A sore on the side of the tongue is usually a canker sore or cold sore. However, sores are sometimes symptoms of other conditions. Learn more here.

A posterior tongue tie isn't uncommon in newborn babies. While this congenital condition can make breastfeeding difficult and may lead to speech delays later in life, it's easy to correct. Here's how.

Tongue-tie is a condition some people are born with that reduces the mobility of their tongue. In some cases, it causes few side effects and resolves itself over time. If you look in the mirror ...