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Here’s a clear, reader-friendly continuation that completes the article and answers the “what should I do about it?” question many people have — especially after 40.When Vertical Ridges Might Be a Red Flag
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While most vertical nail ridges are harmless, there are a few situations where they deserve closer attention.
You should consider seeing a healthcare provider if you notice:
Sudden, severe ridging that appears quickly
Dark streaks or discoloration along with ridges
Pain, swelling, or nail separation
Changes affecting only one nail
Ridges combined with major fatigue, weight changes, or hair loss
These signs don’t automatically mean something serious — but they do warrant a professional opinion.
