/oss/taxonomy/term/4037/all en /oss/article/health-you-asked/what-can-you-tell-appearance-our-nails <p>Nail discolouration can signal disease. Abnormally white fingernails may be due to anemia or kidney problems, deep blue nail beds signal pulmonary obstruction or emphysema, and yellow nails, while often a result of tobacco staining, may suggest liver problems, diabetes, respiratory disorders, problems with the lymphatic system, renal disease, syphilis, cancer or exposure to toxins.</p> Tue, 06 Nov 2012 18:11:19 +0000 Joe Schwarcz PhD 1761 at /oss