Nail disease can affect the health, strength, and appearance of fingernails and toenails. The following are some common nail conditions, causes, symptoms, and how to treat them. People living with ...

According to the National Psoriasis Foundation, approximately 50% of people with psoriasis will also have nail psoriasis. Nail psoriasis can affect a person’s fingernails or toenails. Nail psoriasis ...

A small black line that forms vertically underneath your nail may be a splinter hemorrhage, while horizontal lines may be melanonychia. These may be harmless or a sign of a more serious health ...

Beau’s lines are ridges that develop across the nails. They happen when nail growth is interrupted at the nail matrix. They can result from environmental factors and some medical issues. Most people ...

If you have noticed lines that appear like grooves or indentations running horizontally across your fingernails or toenails, you may be wondering what's going on. These are known as "Beau's lines." ...

Before you worry too much: Most white streaks on nails are harmless. However, if you have similar lines on many nails, or a pair of lines that runs all the way across the nail, it could be a sign that ...