4. Spoon Nails
Image source: newsbeat.co.ke
Those who suffer with Koilonychia have soft nails that lift up in a curved shape. Often times, the tips of the nails detach from the finger, which creates a concaved nail. In extreme cases, some people can actually scoop up small quantities of liquid using their fingernails. The cause of Koilonychia can range from an iron deficiency or anemia to a life-threatening liver condition called hemochromatosis, which is when the body is overloaded with iron.
