Lines on your fingernails: what they might reveal about your health

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If the lines on your fingernails remain light, do not cause pain, and your nails otherwise look strong, they are often harmless signs of aging. The relief that common lines on your fingernails are normal can alleviate unnecessary health anxieties.

However, sudden changes in the lines on your fingernails do deserve a check.

6. Spoon-shaped or white stripes on your fingernails.
A young professional named Rachel noticed that her nails curved upwards like spoons, with pale stripes across them. These stripes on your fingernails, combined with changes in shape, can indicate an iron deficiency or a lack of other nutrients.

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Research shows that white streaks on your fingernails or spoons are often linked to anemia or nutritional deficiencies. The daily frustration of streaks on your fingernails that alter the shape of your nails can affect how you feel about your hands during meetings or social occasions.

Brittle nails with streaks on your fingernails are the next problem.

7. Brittle nails with split lines.
A fitness instructor named Emily noticed that her nails split along fine lines every time she worked out. Brittle nails with lines usually indicate dehydration,  vitamin deficiencies, or thyroid problems.  Vitamins and supplements