Visible health markers
Read the signs your body shows
Clear, clinician-reviewed guides to your nails, tongue, hair and skin. Spot what matters, track changes over time, and know when to see a doctor.
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A calm scene of everyday body awareness
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Nail guides
Brittle, Splitting Nails: Causes and How to Fix Them
brittle nails
Nail Clubbing: What Rounded Fingertips Can Mean
nail clubbing
Dark Line on a Nail: When It Is Harmless and When to Worry
black line on nail
Nail Fungus: Early Signs and What to Do
nail fungus early signs
Half Moons on Nails (Lunula): What They Really Mean
half moons on nails
Horizontal Ridges on Nails (Beau's Lines): What They Mean
horizontal ridges on nails
Peeling Nails: Causes and How to Stop It
peeling nails
Nail Pitting: Causes and What the Tiny Dents Mean
nail pitting
How to Get Rid of Nail Ridges (What Actually Works)
how to get rid of nail ridges
Spoon Nails (Koilonychia): Causes and What to Do
spoon nails
Vertical Ridges on Nails: Causes and When to Worry
vertical ridges on nails
Nail Signs of Vitamin Deficiency: What's Real, What's a Myth
nail signs of vitamin deficiency
When to Worry About Your Nails: The Warning Signs
when to worry about your nails
White or Pale Nails: Causes and What They Mean
white nails
White Spots on Nails: Causes and What They Mean
white spots on nails
Yellow Nails: Causes and What They Mean
yellow nails causes