Noticing thin vertical lines running from the base of your fingernails toward the tips can be surprising, especially when they become more visible with age. Many people begin to see these changes after 40, and in most cases, they are completely normal. Vertical nail ridges are usually linked to natural aging rather than illness. Just as skin develops fine lines over time, nails can also change as the body matures. Understanding why these ridges appear can help you care for your nails without unnecessary worry. Vertical nail ridges, also called longitudinal ridges, are lines that follow the length of the...
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