what does it mean when you get white bits on your nails?

Question: what does it mean when you get white bits on your nails?
- Keywords:
  finger,
  fingernails,
  health,
  nail
Asked by rosieapple to Ailsa, Evan, James, Kath, Ryan on 21 Jun 2011.
- Evan Keane answered on 21 Jun 2011:
  
  I think it might be a calcium deposit but I’m not sure.
- Ailsa Powell answered on 21 Jun 2011:
  
  Mostly they are due a slight injury to your nail – probably something you might not even notice. Sometimes they indicate a minor zinc deficiency – nothing worth worrying about, you would just need to make sure you ate some foods containing zinc.

Question: what does it mean when you get white bits on your nails?