The National Institute on Aging (NIA), one of the centers of the U.S. National Institutes of Health, leads a broad scientific effort to understand the nature of aging and to extend the healthy, active years of life. The NIA funds research and provides information about health and research advances to the public and interested groups.

The National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC), a federal agency, is a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). NIDDK is part of the National Institutes of Health under the U.S. Department of Health and Human Services. The clearinghouse provides information about diseases of the kidneys and urologic system to people with kidney and urologic disorders and to their families, to health professionals, and to the public. NKUDIC answers inquiries; develops, reviews, and distributes publications; and works closely with professional and patient groups and government agencies to coordinate resources about kidney and urologic diseases.

UrologyHealth.org is a website written by urologists for patients. Visitors can find specific topics by using the "search" option.

The website provides information about adult and pediatric urologic topics, including kidney, bladder, and prostate conditions. You can find a urologist, sign up for a free quarterly newsletter, or click on the Urology Resource Center to find materials about urologic problems.