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If You Have These Lines on Your Nails, You Should Pay Attention: Experts Explain That Changes in Nail Texture, Such as Ridges or Lines, Can Sometimes Reflect Normal Aging, Minor Injury, or Nutritional Factors, but Persistent or Sudden Changes May Also Signal Underlying Health Conditions—Highlighting the Importance of Monitoring Nail Health and Seeking Medical Advice if Unusual Signs Persist
Lines on nails are common and often harmless. Nails grow from the matrix beneath the cuticle, and as they form, they reflect what’s happening in the body. Because nails grow slowly, they can act like a timeline of health, stress, and aging.
Vertical ridges are the most common type. They run from the base to the tip and are usually a normal part of aging, caused by slower and less uniform cell production over time.
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