10 Nail Changes That May Indicate an Underlying Health Issue

Your fingernails and toenails serve as remarkable windows into your overall health, functioning as diagnostic tools that can reveal underlying medical conditions long before other symptoms manifest. These seemingly simple keratin structures undergo continuous growth and renewal, making them sensitive barometers of your body's internal state. Changes in nail color, texture, shape, and growth patterns can signal everything from nutritional deficiencies and circulatory problems to serious systemic diseases and autoimmune disorders.