Prepare for a Colonoscopy: digestive system anatomy showing the large intestine, rectum, and anus

Screening

How to Prepare for a Colonoscopy, Start to Finish

Preparing for a colonoscopy is mostly about timing: a clear-liquid day, split-dose prep, and a ride you arrange ahead. Here's the full day-by-day plan.

Dr. Calvin R. Beauregard, MD — Family & Preventive Medicine, Dr. Alicia M. Thornton, MD, MPH — Public Health & Epidemiology and Dr. Nathaniel G. Forsythe, MD, PhD — Translational Medicine & Research
June 14, 2026

colonoscopy procedure diagram showing scope path through the colon

Screening

Colonoscopy: Prep, Cost, Results & Which Test You Need

By the end of this guide you'll know which colorectal screening test fits your situation, exactly how to prepare for a colonoscopy, and what your results actually mean. You'll also understand what it should cost—and how to avoid a surprise bill on a screening that's supposed to be free.

Medical anatomy illustration of the male reproductive system showing the prostate gland and surrounding organs for understanding Prostate Cancer Risk.

Prostate Cancer

What Prostate Cancer Risk by State Really Means for You

Prostate cancer risk by state makes headlines, but rankings mislead. D.C. and Mississippi top death rates—here's what really shapes your risk.

prostate cancer clinical trial diagnostic pathway showing medical evaluation and staging steps for patient eligibility

Prostate Cancer

A Clear Path to Prostate Cancer Clinical Trials

Prostate cancer clinical trials span every stage, not only advanced disease. Learn where to search, who qualifies, and the truth about placebos.

Medical cross-section diagram of the male genitourinary system showing the prostate, bladder, and urethra for a prostate cancer caregiver.

Prostate Cancer

A Prostate Cancer Caregiver’s Guide to Helping at Home

A prostate cancer caregiver helps with incontinence, intimacy, and tough choices—and most men regain bladder control within two years. Start here.

Male pelvis anatomy showing bones of the pelvic region to explain Prostate cancer side effects on urinary and sexual function.

Prostate Cancer

Managing Prostate Cancer Side Effects Like Fatigue and Pain

Prostate cancer side effects are common but manageable—fatigue affects roughly 40% of men, and pain usually points to something treatable.

Prostate Cancer Under 50 illustration of the human body showing internal organs including the bladder and pelvic region.

Prostate Cancer

What Younger Men Should Know About Prostate Cancer Under 50

Prostate cancer under 50 is rare and often silent, so family history—not symptoms—is the real early warning. Here's what younger men should know.

Enlarged Prostate illustration comparing normal and enlarged prostate (benign prostatic hyperplasia) compressing the urethra.

Prostate Cancer

How to Tell Prostate Cancer From an Enlarged Prostate

Enlarged prostate or prostate cancer? Both can cause urinary symptoms, yet one is benign and never raises your cancer risk. Here's how the two truly differ.