They can run vertically from the cuticle to the tip of the nail (known as longitudinal ridges) or horizontally across the ...
Our fingernails are our version of animals’ claws, made from the same substance – keratin – as our hair, and the hooves and ...
IF YOUR FINGERNAILS LOOK PALE ... WE SOMETIMES LOOK FOR HORIZONTAL RIDGES. THOSE ARE RIDGES THAT ARE ACROSS THE NAIL BED AND THOSE CAN BE A SIGN OF A MORE SERIOUS DISEASE THAT CAUSED A CHANGE ...