Healthy nails are more than cosmetic; they can reveal vital clues about overall health. Weak or brittle nails may signal nutritional deficiencies or underlying issues. Addressing these early can enhance nail strength and well-being. Common Cause: Nutritional Deficiency Biotin: This B vitamin strengthens nails. Lack of it can cause brittleness. Solution: Eat biotin-rich foods like eggs, almonds, mushrooms, and spinach. By understanding these signs, you can improve your health and maintain strong, beautiful nails