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

Frequently asked questions about lines on your fingernails:
What causes vertical lines on your fingernails?
Vertical lines on your fingernails are usually the result of natural aging or slight dehydration and are harmless in most cases.

Are horizontal stripes on your fingernails serious?
Horizontal stripes on your fingernails, also known as Beau’s lines, can indicate a previous illness or stress. It is therefore wise to discuss them with a doctor. Medical facilities and services

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How can I prevent new lines on my fingernails?
A nutritious diet, drinking enough water, and hydrating regularly can reduce the visibility of lines on your fingernails over time.