our nails are often seen as just keratin—a tough material for scratching and opening cans. But they are actually a continuous diagnostic window. The appearance of your nails—their color, their strength, and their texture—can reflect changes in your health long before other symptoms appear.
This is your guide to decoding the subtle language of your nails: understanding the difference between normal, harmless “nail wrinkles” and the urgent, visible signs of internal stress or disease.
