This document provides an overview of the nursing profession from its historical definitions and roles to its modern standards and ethics. It discusses how nursing has been defined over time from Nightingale to Rogers, and the criteria that characterize it as a profession. The document also outlines the codes of ethics of the International Council of Nurses and American Nurses Association, as well as ethical principles and issues in nursing. Finally, it summarizes the research review boards at Christian Medical College Vellore.