it means you have not enough calcium lately
You are very stressed out
Toe Nails that have pock marks
yes, try drinking milk.
This means that your nails are ether growing to long or are loosening off your finger
Black or nude nails.
lack of calcium in your body causes white stripes on teeth and nails.
It means that you are not getting enough calcium try drinking milk!
It can mean that he tore his nails loose from the skin of his fingers, or it can mean he was holding onto something and tore his nails loose from his grip.
By system, you mean category.. I'm not sure if you mean finger nails or like tool nails, so I'll give you both. Finger nails: Body parts Tool nails: Hardware
Nials are white for the same reason that teath are white. They are basically bones
If they use their nails or something else sharp, then the answer is yes.
Because of the design
a damp cloth works...depending on how bad the white marks are