As we age, changes in our nails, such as lines or ridges after 40, can indicate underlying health issues or nutritional deficiencies. Longitudinal ridges—vertical lines from the cuticle to the tip—may signal deficiencies like iron, zinc, or protein, and relate to conditions such as anemia, psoriasis, eczema, or autoimmune diseases like lupus or rheumatoid arthritis. Transverse lines, like Beau’s lines, often appear after serious illness or trauma. Age-related factors, circulatory or neurological changes, and habits like nail biting or exposure to toxins can also impact nail health.

While these nail lines can be benign, sudden changes or accompanying symptoms should prompt medical consultation. Addressing nutritional gaps through diet or supplements—iron, zinc, biotin, protein—can improve nail condition. Underlying health issues require targeted treatment. If you notice new or worsening lines after 40, seeing a healthcare professional for tests and diagnosis is recommended. Early detection helps manage potential health concerns and maintain overall well-being…

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