
Don’t Wait Until You’re Hospitalized to Regret It: Your Fingernails Have Been Warning You of a Serious Illness for Months!
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Pale or White Nails
Sign: Nails appear pale, nearly white, or have lost their natural pinkish color.
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Anemia: Iron or vitamin B12 deficiency can cause pale nails, often accompanied by fatigue or dizziness.
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Liver disease: White nails may signal liver dysfunction, such as hepatitis or cirrhosis.
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Kidney disease: A condition known as "Lindsay’s nails" (half-white, half-pink) may be associated with chronic kidney disease.
Yellow Nails
Sign: Nails turn yellow, sometimes thicken, or become brittle.
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Fungal infection: A common cause of yellow, crumbly, or peeling nails.
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Lung disease: Yellow nails along with finger swelling can be a sign of chronic lung conditions like COPD.
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Yellow nail syndrome: A rare disorder associated with lung disease and fluid buildup in the body.
Blue or Purple Nails
Sign: Nails or the skin underneath turns blue, purple, or blackish.
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Low oxygen levels: Blue or purple nails may indicate heart or lung disease interfering with oxygen circulation.
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Infection: Blue nails may also result from Pseudomonas bacterial infections, especially in those frequently exposed to water.
White Spots or Streaks
Sign: Small white spots or streaks appear on the nail surface.
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Zinc or calcium deficiency: Can be caused by poor diet.
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Minor trauma: Bumping the nail may cause white spots, usually harmless.
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Infection or allergy: In some cases, white spots result from allergic reactions or fungal infections.
Curved or Sunken Nails
Sign: Nails appear abnormally shaped — curved outward like a spoon (spoon nails) or dented in (pitted nails).
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Spoon nails: Often linked to iron-deficiency anemia, hemochromatosis (iron overload), or thyroid disorders.
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Pitted nails: Tiny dents may be signs of psoriasis, psoriatic arthritis, or autoimmune diseases.
Brittle, Easily Broken Nails
Sign: Nails crack, split, or peel easily.
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Biotin deficiency: Biotin (vitamin B7) is essential for strong nails.
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Thyroid issues: Hypothyroidism or hyperthyroidism can cause nail fragility.
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Chemical exposure: Regular use of nail polish or cleaning agents may weaken nails.
Horizontal Lines or Grooves
Sign: Horizontal ridges or grooves appear across the nail surface.
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Beau’s lines: Deep horizontal grooves may result from severe stress on the body, such as high fever, chemotherapy, or physical trauma.
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Nutritional deficiency: Lack of protein or trace minerals can lead to visible grooves on the nails.
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