Your nails might seem like a purely cosmetic detail, but doctors often see them as tiny windows into your overall health.

Anemia may cause nail irregularities alongside other symptoms. Signs of anemia nails include pale nail beds and spoon-shaped nails. Red blood cells are responsible for carrying oxygen around the body.

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 ...