Yellow toenails should never be ignored. They're most often caused by a fungal infection that's contagious and hard to ...

Diabetes can cause yellow nails due to glycation, where excess glucose affects nail proteins, or fungal infections exacerbated by impaired immunity and circulation. Other changes like bluish nails or ...

The nails can be a window to health. Healthy nails are smooth and devoid of ridges grooves, spots, or discoloration. Discolored nails could be a sign of infection, drug reactions, or disease. Brown ...