no half moon on nails what does it mean no moons on fingernails what does it mean no moons on fingernails what does it mean yellow spot on nail lunulae half moon nails why you do or don t have half moon shape on your nails do i have nail fungus signs you have a your nails saying about your health what the half moons on nails reveal what that half moon shape on your nails finger nails why there is a white what your fingernails say about your health