Your nails can reveal a lot about your health—changes in shape, color, or texture may signal underlying issues, from heart disease to iron-deficiency anemia. They often reflect nutrition and overall well-being.
- Beau’s lines (deep ridges) can appear after illness or stress, including COVID-19.
- Clubbing may point to heart problems.
- Spoon-shaped nails suggest iron deficiency.
- Pitting is linked to skin conditions like psoriasis or eczema.
- A dark streak could indicate melanoma.
- Terry’s nails may signal liver disease or diabetes.
- Yellow nails are often fungal but can indicate thyroid or lung issues.
Most changes aren’t serious, but persistent signs should be checked—your nails can help catch health problems early.