Episode 35 of CRAMSURG - Clinical Reasearch Appraisal and Methodology for Surgical Trainees. The paper for discussion is Association of a Liberal Fasting Policy of Clear Fluids Before Surgery With Fasting Duration and Patient Well-being and Safety JAMA surgery Jan 2023 . The teaching topic is Validity and Reliability in Surgical Research. Brought to you by CRAMSURG www.cramsurg.org.