It often starts with a simple observation—one day, you glance down at your hands and notice faint lines tracing the length of your fingernails. For many people, these vertical ridges become more visible with age, prompting curiosity, a little concern, or even a quick online search. While the change can feel surprising at first, it’s usually just a natural part of how the body evolves over time. As nail growth patterns shift and cell turnover slows slightly, the surface of the nails may lose some of its earlier smoothness, resulting in those subtle, lengthwise lines. Most of the time, they are harmless, ordinary, and simply part of the story your body tells as it grows older.
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