Nails are protective coverings made of keratin that grow from the tips of fingers and toes. They serve several purposes, including providing support and protection to the fingertips and enhancing dexterity. Nails can also be a reflection of a person’s overall health, as changes in nail color, shape, and texture can indicate underlying health conditions. For example, the yellow discoloration can be a sign of a fungal infection, while spoon-shaped nails can be a symptom of iron-deficiency anemia. Proper nail care, including keeping nails clean and trimmed, can help prevent infections and other nail problems. Additionally, regular visits to a healthcare provider or dermatologist can help identify and treat any underlying health conditions that may be affecting the nails.