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Learn about tests used to identify prostate problems, such as DRE, PSA test, prostate health index, and a transrectal ultrasound with prostate biopsy.

Learn how ERCP uses upper GI endoscopy and x-rays to treat problems of the bile and pancreatic ducts, how to prepare for ERCP, and what to expect afterward.

Urologists use cystoscopy and ureteroscopy to look inside the urinary tract, find the cause of problems, and sometimes treat them.

Learn why doctors perform colonoscopy, what it can show, how you prepare for it, what to expect during and after colonoscopy, and the risks of colonoscopy.

An overview of bladder infection in adults, which is a type of urinary tract infection. Describes symptoms, causes, diagnosis, treatment, and prevention.

Overview of the digestive system—how food moves through each part of the GI tract to help break down food for energy, growth, and cell repair.

Learn what happens once your application is received by NIH including how we determine which study section it will go to for peer review and how we assign it for funding consideration.

Your doctor may diagnose overweight and obesity based on your medical history, a physical exam that checks your body mass index (BMI) and waist circumference, and tests to rule out other medical conditions.

There are no specific symptoms of overweight and obesity. The signs of overweight and obesity include a high body mass index (BMI) and an unhealthy body fat distribution that can be estimated by measuring your waist circumference.