Diabetes is the number one cause of kidney disease, responsible for approximately 44 percent of all kidney failure cases.

High blood pressure (also called hypertension) is the second leading cause, accountable for about 29 percent.

Glomerulonephritis, a general term for many types of kidney inflammation, as well as genetic diseases such as polycystic kidney disease (PKD), autoimmune diseases, birth defects and other problems can also cause kidney disease.

Diabetes is a risk factor for renal disease, but it does not mean your kidneys will fail if you have diabetes. You can care for your kidneys by controlling your blood sugar and getting regular microalbumin urine tests to track the passage of protein. If you develop diabetic kidney disease, you can work with your doctor to keep your kidneys working for as long as possible.

No. Kidney disease is not contagious. Most kidney disease is caused by diabetes or high blood pressure, conditions that can run in families. If you are a family member of someone who has diabetes, high blood pressure or kidney disease, it is a good idea to ask your doctor to check your blood pressure, blood sugar and kidney function at your next checkup.