Though it can cause extreme discoloration, there's a lot you can do treat it—and stop it from happening again.

The main feature of retronychia, a nail disorder of the toes, is the growth of new nail under prior nail growth. But this layering of nails is not always readily apparent on clinical examination, ...

Podiatrists and medical experts have issued an important warning to anyone with dark, discoloured toenails that they should see a doctor immediately.

As unsightly as it is, the infection is usually manageable — but only with the right treatment. Here’s how to kick it. Credit...Joyce Lee for The New York Times Supported by By Caroline Hopkins Q: It ...

While most people are familiar with the appearance of healthy toenails — smooth, light pink, and evenly colored — changes in their look can sometimes raise concerns. When you notice spots, streaks, ...

Do you have a habit of biting your nails? Here's how it can increase the risk of infections, dental issues, and stomach problems. Check the list of diseases nail biting can cause and why quitting this ...

Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery.

Nail biting is a common behavior often viewed as nothing more than an annoying habit. The behavior is all too often ignored. However, nail biting can be serious and it is a misunderstood and ...