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 ...

Children with primary nocturnal enuresis may have vitamin D insufficiency and deficiency as well as vitamin B12 deficiency.

IF YOUR FINGERNAILS LOOK PALE, IT COULD BE A SIGN OF IRON DEFICIENCY. IF YOU HAVE VERTICAL RIDGES ... LOOK FOR HORIZONTAL RIDGES. THOSE ARE RIDGES THAT ARE ACROSS THE NAIL BED AND THOSE CAN ...