The Hidden Signs of Aging: What Your Nails Are Telling You - AI Podcast

Story at-a-glance Nail growth slows by 50% over a lifetime, making it a reliable indicator of overall aging and metabolic health Aging nails become brittle, thickened, and dull due to changes in keratin structure, decreased blood circulation and nutritional deficiencies If you have poor circulation or a metabolic issue like hypothyroidism, your nails start to grow slower, develop ridges, and lose the visible half-moon shape at the base, called the lunula. When the lunula fades or disappears, it can be a sign that your body isn’t getting enough nutrients or oxygen to support healthy nail growth Nutrients like collagen, biotin and iron are essential for maintaining strong, healthy nails and preventing structural damage Lifestyle choices such as minimizing vegetable oils from ultraprocessed foods, increasing carbohydrate intake and improving blood flow to the extremities significantly enhance nail health and slow signs of aging