Letters to the EditorLETTERS TO THE EDITOR Unknown Effect of Cannabis Use on Procedural Sedation Requirements Jonathan Schimmel, MD, and Kennon Heard, MD, PhD Notes and Affiliations Notes and Affiliations Published: January 1, 2020 J Osteopath Med; 120(1): 4-4 https://doi.org/10.7556/jaoa.2020.002