The nails can be a window to health. Healthy nails are smooth and devoid of ridges grooves, spots, or discoloration. Discolored nails could be a sign of infection, drug reactions, or disease. Brown ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." Applying a fresh coat of nail polish can provide an immediate mood boost, but it can also be concerning if ...

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 ...

"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 ...