Most Common
Causes
If vertical ridges have gradually become more visible as you’ve gotten older, there may be a simple explanation.
Aging is one of the most common causes.
Mayo Clinic notes that vertical nail ridges may become more numerous or prominent with age because of changes in cell turnover within the nail.
Think of them somewhat like changes in hair or skin texture that occur naturally over time.
If the ridges are mild, appear gradually and aren’t accompanied by other unusual nail changes, they’re often harmless.
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