Even after handwashing, bacteria often remain under the nails. They’re bold and glamorous, but beneath them lie bacteria and fungi that could harm your health. According to Jeffrey Kaplan, a biology ...

Your nails might look clean, but the space beneath them is a tiny ecosystem—one that collects more bacteria than most people realize. From keyboards to grocery carts to your phone screen, your hands ...

3. Potentially "fatal" germs can lurk under hospital workers' nails. Ugh, just when you think hospitals are safe places--this unsettling research notes that dirty fingernails could be the source of ...