7 Health Issues That May Show Up in Your Nails Your

and recommend appropriate treatment. Good dietary sources of iron include meat, beans, lentils, and leafy green vegetables.

4. Yellow Nails: Often Fungal, but Not Always

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4. Yellow Nails: Often Fungal, but Not Always

What it looks like: Nails that develop a yellow, thickened, or discolored appearance.

What it might mean: Fungal nail infections are a common cause of yellow or discolored nails. Other possibilities include repeated use of nail polish, certain medications, psoriasis, and, less commonly, systemic conditions such as some respiratory or lymphatic disorders.