What Those Vertical Ridges on Your Fingernails Might Be Telling You — Especially After 40

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4. Underlying Health Conditions

In rarer cases, pronounced vertical ridges could be a sign of a health issue that needs attention. Some possible causes include:

  • Poor circulation
  • Thyroid imbalances (both underactive and overactive)
  • Rheumatoid arthritis
  • Skin conditions like eczema or psoriasis

If nail ridges are accompanied by other unusual symptoms — such as joint pain, changes in skin texture, or unexplained fatigue — it’s best to have it checked by a healthcare professional.

When to See a Doctor

Although vertical ridges are typically harmless, there are times when they could signal something more serious. You should seek medical attention if your nail ridges are accompanied by:

  • Dark brown or black streaks underneath the nail
  • Nail splitting, thickening, or peeling
  • Redness, pain, or swelling around the nail bed

These may point to a fungal infection, injury, or — in rare cases — a form of skin cancer called melanoma, which can develop under the nail.

Early detection matters, so never ignore a sudden or dramatic change in your nail’s appearance.

How to Care for Aging Nails

Even though ridges may be part of aging, there are several ways to care for your nails to minimize their appearance and improve their overall strength:

1. Moisturize Regularly

Use a hand cream or nail oil that’s rich in ingredients like vitamin E or shea butter, especially after washing your hands or using cleaning products.Continue reading…

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