A recent JAMA article,The Evolving Role and Value of Libraries and Librarians in Health Care, describes the positive effect that libraries and librarians can have on health care. In this article, Sollenberger and Holloway provide insight into recent trends in health sciences libraries and also describe studies which have demonstrated their positive value including changes in patient care decision-making based on information obtained from library information resources; improved efficiency and effectiveness medical evidence search skills; and librarians involved in patient safety and quality improvement initiatives.