Ellis: Understanding kidney failure
(WorldNews Health)

By Glenn Ellis Sometimes kidneys are no longer able to filter and clean blood. This can cause unsafe levels of waste products to build up. This is known as kidney (or renal) failure. Unless it is treated, this can cause death. Kidney (renal) failure is when kidneys don’t work as well as they should. The term “kidney failure” covers a lot of problems. For example, problems can result in kidney failure when: your kidney doesn’t get enough blood to filter; your kidney is hurt by a disease like high blood sugar (diabetes); high blood pressure; your kidney is blocked by a kidney stone or scar tissue; or it can be due to damage to the kidney’s tiny filters. Healthy...