TikTok has done it again. Just when you thought the internet had exhausted every possible way to willingly suffer for clout, along comes the latest self-inflicted torture: dropping random objects on ...

Ridges in nails can develop due to a current or past illness or injury. A healthy nail is typically smooth or has barely perceptible vertical lines running from the cuticle to the tip. When there are ...

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 ...