Educational materials are available all over the Internet. I'd like to offer these as good options among all of the choices you might encounter. It is easy to be misled online.

Patient Instructions

• Urinary Problems of Caffeine
• Vasectomy Information

Publications

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), sponsored by the National Institutes of Health (NIH)

• Prostate Problems
• Erectile Dysfunction
• Kidney Health
• Benign Prostate Hypertrophy
• Kidney and Ureteral Stones
• Urinary Tract Infections (UTI)
• Bedwetting
• UTI in Children
• Interstitial Cystitis

Excellent information gleaned from the Internet

• Litholink Guide to Increasing Fluid Intake
• Litholink Guide to Hypercalciuria
• Litholink Guide to Low Oxalate Diet
• Litholink Guide to a Low Salt Diet
• Litholink Guide to Purines, Urine pH, and Citrate
• ACS Guidelines on Testicular Cancer
• AUA Guidelines on Testosterone

Websites

• Memorial Sloan-Kettering Prostate Cancer Prediction Tools
• National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Questionnaires

• AUA Symptom Score for Male Urinary Bother (AUASS)
• International Index of Erectile Function (IIEF)

Videos