Similar to how your skin can reveal a lot about your internal wellbeing, your fingernails can be another window into your health. What causes brittle nails? Sometimes brittle nails are simply a result of aging or a lack of moisture, while other times they can be indicative of thyroid diseases like hyperthyroidism or hypothyroidism because these conditions … Continue reading What’s Causing Your Brittle Nails + 9 Natural Treatments