If these ridges are present on all the nails , they may be a sign of a systemic disease such as pneumonia, syphilis or Kawasaki disease .
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White streaks: a clue to liver and kidney health

Parallel white lines that do not affect the texture of the nail could indicate a problem with the kidneys or liver . These marks, called Muehrcke’s lines , often appear when protein levels in the blood are too low .
They can signal:
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Chronic liver disease .
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Kidney failure .
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Severe malnutrition .
What to do?
If these lines are visible on several nails and disappear when you press on them , consult a doctor for a blood test .
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Brittle and fragile nails: is diet the culprit?

Do your nails chip easily, split, or seem softer than usual ? These symptoms are often linked to a deficiency in biotin (vitamin B7), iron, or zinc .
Other possible factors:
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Excessive exposure to water or chemicals (detergents, harsh solvents).
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Digestive disorders affecting nutrient absorption (such as celiac disease ).
Simple solutions:
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Adopt a balanced diet , rich in proteins, vitamins B, E and minerals .
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Moisturize your nails with natural oils like castor or sweet almond oil .
Nails, a barometer of your health not to be neglected
Most of the time, rippled nails are just signs of aging or minor nutritional imbalances . But when they ‘re accompanied by other symptoms (fatigue, shortness of breath, pain), they can be a warning signal from your body .
Essential reminder:
If you notice a sudden and unusual change in the texture or color of your nails , don’t ignore it . Prompt medical attention can prevent many complications .
Your nails are talking… are you ready to listen?
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