These black lines on fingernails may look like bruising or internal coloring - not like you just accidentally created an edgy ...

Michelle Tagliamonte, 58, was getting a manicure when she noticed the black lines on her thumb, which signaled the start of a ...

From the mysterious white flecks that sometimes appear on nails to unusual ridging or changes in thickness, what do these ...

A black line on the nail could be normal, such as when it is just a color variation. Other possible causes range from injury to certain medications for conditions like human immunodeficiency virus ...

Longitudinal ridging, which is clinically known as onychorrhexis, occurs on the nails and may appear as vertical striations or lines that originate from the base of the fingernail and continue to ...

Michelle Tagliamonte, 58, spotted faint black lines on the nail of her her right thumb while getting a manicure in September last year. But when the marks hadn't grown out by her next nail session ...

According to Dr. David Sinclair, a professor of genetics at Harvard Medical School, your nails are actually a clear sign of your biological age. And unfortunately, getting more frequent manicures ...

As we age, we often become more attuned to the messages our bodies send us. Aches and pains may prompt us to slow down or ...

One may experience increased nail growth during puberty and pregnancy. Further pits, ridges, lines, changes in shape, or other changes can point towards iron deficiency, kidney disease ...