Over the years I've searched nail sites, that could help answer nail questions. This is the best one I have found so far:
http://hooked-on-nails.com/naildisorders.html
Vertical ridges are considered age related, or thyroid related.
However splinter hemorrhages can reflect serious illness, including endocarditis.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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