Fingernail ridges are visible lines or grooves on the nail’s surface. They can run vertically from the cuticle to the tip of the nail (known as longitudinal ridges) or horizontally across the nail ...

Add Yahoo as a preferred source to see more of our stories on Google. You probably don’t spend much time thinking about your fingernails (unless you’re painting them!). But your nails can provide key ...

As people age, vertical nail ridges, known as onychorrhexis, can form due to nutritional deficiencies, anemia, digestive disorders, dehydration, and some fatal diseases. Effective treatments include ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." First, a crash course on what fingernail ridges even are: Vertical nail ridges (lines that run from your ...

Longitudinal ridging on fingernails or toenails, also known as vertical ridges, are slender raised lines that run from the base of the nail to its tip. Often appearing as faint vertical stripes, these ...