Today we celebrate 100 years since the discovery of insulin. We talk with Elizabeth A. Stephens, MD, an endocrinologist with the Providence Medical Group in Portland, Ore., about the importance of this landmark discovery, how it shaped our understanding and treatment of diabetes, and how it sets the stage for the exciting breakthroughs of tomorrow. For more information, including helpful links and other episodes, visit our website at https://www.endocrine.org/podcast.