What should you do?
Not every nail change is a cause for concern, but it’s important to notice patterns. Sudden changes, discoloration, or lines accompanied by other symptoms (like fatigue or pain) should be checked by a healthcare professional.
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Bottom line:
Nail lines after 40 are often a normal part of aging—but sometimes, they can be your body’s way of signaling something deeper. Paying attention to these small details can help you stay one step ahead of potential health issues.