The Kidney Doctor is a blog that aims to comment on the latest advances and controversies in kidney disease. The author is Dr. Ajay K. Singh, Physician in the Renal Division Brigham and Women’s Hospital as well as Associate Professor of Medicine at Harvard Medical School. The goal is to cover the waterfront — from public policy and ethical issues to translating basic science advances. Each post is reviewed editorially before it gets posted. The target audience are clinical nephrologists.