Vertical fingernail ridges are usually harmless and often appear due to aging. Horizontal ridges might indicate health issues like vitamin deficiencies or infections. Good nail hygiene can help ...

In fungal infections, invasive fungi grow in or on your body. Many types of fungi occur naturally in your body in small amounts. Some infections occur when these fungi grow out of control while other ...

Healthy nails are smooth, with no spots or discoloration. They don’t have pits or grooves, although they may have vertical ridges. Nails that are cracked, split, or brittle can sometimes be a sign of ...

Long nails may make a fashion statement, but there are microorganisms lurking underneath that can cause potential infections, according to a recent USA Today report. "The longer the nail, the more ...

Fingernails help protect the underlying skin from injury, and they also come in handy when you want to scratch an itch or peel a satsuma. But what do they reveal about your health? There's no shortage ...