When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Add Yahoo as a preferred source to see more of our stories on Google. Healthy toenails are something you take for granted until you notice something is off with their coloration. Like, for example, ...

Have you ever looked down at your toenails and thought something seemed off? Most of us don’t pay them much attention until something changes. Maybe they turn yellow, feel thicker than usual, or show ...

For many, running is a passion, an escape, and a fantastic way to stay fit. However, for some, it comes with an unwelcome guest: the black toenail. While not usually serious, it can be painful and ...

Healthy toenails are something you take for granted until you notice something is off with their coloration. Like, for example, you suddenly realize they have a white-ish hue. Weird? Yes. And this ...