What Do Vertical Ridges on Your Nails Mean After 40?
Noticing thin vertical lines on your nails as you age? You’re not alone. These ridges, called longitudinal striations,
are usually harmless and a common part of aging. As we get older, keratin production in the nail matrix slows or becomes uneven, causing texture changes.
Main causes include:
Natural aging: Reduced cell turnover affects nail structure.
Dehydration: Dry nails from age, soaps, or chemicals can emphasize ridges.
iencies: Low levels of biotin, iron, or zinc can weaken nails.
Health issues: In some cases, ridges may signal thyroid problems, circulation issues, or arthritis.
When to worry:
Seek medical advice if ridges come with discoloration, thickening, pain, or swelling—these may indicate infections or, rarely, melanoma.
Care tips:
Stay hydrated, moisturize nails, eat a nutrient-rich diet, use gentle nail tools, and consider biotin supplements with your doctor’s approval.
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