People are being urged to watch for specific warning signs on their nails that could indicate early-stage heart failure or liver disease, including cirrhosis . Your nails can tell you a great deal about your overall health , often providing vital clues about areas of your body that may require closer attention. Changes in shape, ridges, bumps and discolouration can all point towards underlying conditions. Problems affecting your liver, lungs and heart can all manifest in your nails, making it