It is the function of the kidneys to remove the waste fluid from the blood and purify the body. Kidneys also help regulate blood pressure and control the chemical levels in the blood. In addition, they activate a type of Vitamin D, which improves calcium absorption. If the kidneys do not work normally, salts and waste fluids would accumulate in the body and become toxic.
If the condition cannot be treated any other way, dialysis is an effective option, which has been used since the 1940s. Dialysis is a treatment procedure that filters the waste fluid in the body and purifies the blood with the help of a machine. However, dialysis cannot treat all kidney problems and different treatment procedures may also be called for. There are two types of dialysis: