abnormal
ageing
aging
allergic
background
brittle
brittle nails
calcium
close up
closeup
coarse
deficiency
deformed
diet
diseases
dry
finger
fingernail
fingernail disorders
fingernails
gray background
hand
health
horizontal
human
iron
isolated
lines
longitudinal
mineral
nail
nail abnormalities
nail problems
nails
person
ridged
ridges
short cut
symptoms
uneven
unhealthy
unrecognizable
vertical
vertical lines
vertical lines in fingernails
vertical ridges
warning of a health
white