Medically reviewed by William Truswell, MD Treatment for brittle nails may include applying lotions that contain lanolin or ...

Many people think nails are just about looks. However, split nails can mean more than bad grooming or exposure to the environment. They can be a sign of deeper emotional issues and stress that ...

Onychorrhexis is a condition that affects your nails, causing them to develop ridges and splitting. These ridges often look like thin grooves running vertically along the length of your nail.