Registered: 02 February 2009
A question...What are the vertical lines caused by?
Location: Skin Biology in Bellevue, Washington - USA
Registered: 22 June 2004
From the information we found, Longitudinal Ridges (vertical lines) on the nails may possibly be due to aging, poor absorption of vitamins and minerals, thyroid disease, or an indication of a kidney problem.
If you have concerns over your nail health, the best course of action to take is to speak with your physician.
-Skin BiologyThis message has been edited. Last edited by: SkinBiologyWebmaster,
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