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." ...

Clean and beautiful nails enhance the beauty of hands. But if the nails start to deteriorate, break, turn black, or turn yellow, or if lines start appearing on the nails, then this is not a normal ...

White lines on nails, or leukonychia, are often harmless, resulting from minor injuries. However, specific patterns like Muehrcke's or Mees' lines may indicate underlying health issues such as kidney ...

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, these could be signs ...

Nail ridges are grooves or raised lines that form on the nail plate and may run horizontally or vertically. They can vary in severity, from barely noticeable to quite pronounced. While some ridges are ...

A woman who shared what she thought was a mildly interesting photo of her thumb and toe online was urged by strangers to see a doctor after commenters warned the image could show signs of a serious ...

A cancer patient grew concerned when he began to develop unexplained white lines across his fingernails. The 30-year-old man said the horizontal lines across his nail beds appeared around the same ...

A woman had a line on her nail that looked like a splinter, which was an aggressive skin cancer. Charmaine Sherlock didn't think that such a small mark could be as dangerous as melanoma. Sherlock told ...

Karolina Jasko has a family history of melanoma, so she's no stranger to paying attention to her skin. Her mother — who battled the deadliest form of skin cancer twice and recovered — has always been ...

Add Yahoo as a preferred source to see more of our stories on Google. So I, wet nails and all, began panic-searching the internet for answers. But when the search results ran the gamut from "no big ...