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 ...

If you’ve suddenly noticed vertical or horizontal ridges on your nails, it’s natural to wonder why. We asked experts to explain the most common causes of fingernail ridges and what you can do about ...

Many different health conditions can cause ridges and other changes in the nails. Vertical ridges in the fingernails are the most common and are typically harmless. Alternatively, horizontal ridges ...

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 ...

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 ...