Clinical Research Directory

Inclusion Criteria: all outpatients aged 18 to 75 years scheduled for their first screening colonoscopy \- Exclusion Criteria: ● Contraindications for colonoscopy * History of bowel surgery, particularly colorectal surgery * Severe comorbid conditions (e.g., impaired hepatic, renal or bone marrow function, congestive heart failure, recent coronary artery disease) * Chronic constipation (typically \<3 bowel movements per week with hard stools, a feeling of incomplete evacuation, or abdominal discomfort) requiring the use of laxatives * Pregnancy or lactation * Prisoners * Diagnosis of inflammatory bowel disease * Inability to use video presentation devices (e.g., blindness) * Active cancers.