Brown or black streaks under the nail should never be ignored.
Rarely, they can point to melanoma (a type of skin cancer).
Always seek medical advice if a new dark line appears.
4. White Lines or Spots
Usually caused by minor trauma to the nail bed.
Sometimes linked to zinc or calcium deficiency.
Not dangerous if occasional, but frequent white marks may need attention.
What Causes Nail Lines After 40?
Aging: Natural thinning and dryness of nails.
Nutritional Deficiencies: Low protein, iron, or B vitamins.
Chronic Conditions: Diabetes, high blood pressure, or thyroid imbalance.
Stress or Illness: High stress levels or recent infections can disrupt nail growth.
How to Care for Your Nails Naturally 🌿
Eat a balanced diet rich in iron, zinc, and biotin.
Keep nails hydrated with natural oils like coconut or almond oil.
Stay hydrated—drink enough water daily.
Avoid harsh chemicals from nail polish removers.
If lines persist or worsen, consult a healthcare professional.
Final Thoughts
Lines on your nails don’t always mean something serious, but they shouldn’t be ignored—especially if they appear suddenly after the age of 40. Your nails may be your body’s way of asking for more care, nutrition, or medical attention. Paying attention to these subtle signs can help protect your overall health.
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