They don't make for the prettiest of manicures, but are they something more than a cosmetic problem? Here's what a dermatologist and research have to say.

Medically reviewed by Casey Gallagher, MD Vertical fingernail ridges are usually harmless and often appear due to aging.Horizontal ridges might indicate health issues like vitamin deficiencies or ...

Your fingernails might seem like simple protective coverings for your fingertips, but they’re actually sophisticated diagnostic tools that can reveal crucial information about your protein intake.

If your nails are brittle, thin and easily breakable, you may be wondering if it’s time to pay a visit to your dermatologist. While changes to the color, texture and shape of your nails aren’t always ...

(NEXSTAR) – What started out as a “tiny little brown line” on one woman’s fingernail led to a rare, potentially life-threatening medical condition, one that she’s now trying to help others catch early ...

Let’s start with nail fungus, a disease that an average person experiences at least once in their lifetime. As you probably know, the fungus is found in our bodies. To turn into an infection, it needs ...

Habit-tic deformity is a traumatic nail dystrophy that results from habitual picking of the proximal nail fold margin. 4 The most common location is the thumbnail; however, all fingernails can be ...

(Gray News) - A brown line on a mother’s fingernail turned out to be a rare form of melanoma, according to the Cleveland Clinic. Lauren Koltcz, 45, said she noticed a brown streak on her thumbnail one ...