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Hair, nail, and pigment changes in major systemic disease ScienceDirect Brown nails as clues for shock diagnosis Inaba 2025 Journal of General and Family Medicine Wiley Online Library Did you know your fingernails can tell you more than you think? Unusual changes in your nails, such as discoloration or brittleness, could be a sign of underlying health issues. Don't overlook Longitudinal Melanonychia: Brown Line on Nails Our nails can reveal more than you might expect. Changes in color, texture, or thickness may signal diabetes, nutrient deficiencies, or other health concerns. These signs are easy to overlook, but Melanonychia: What It Is, Causes, and More
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