This document discusses ethical issues in research. It defines ethics and explains why they are important for research. Some key reasons include expanding knowledge, accountability, and ensuring public trust. The document outlines various stakeholders in research like research participants, researchers, and funding bodies. It then discusses several ethical issues related to each stakeholder, such as obtaining informed consent from participants and avoiding bias. The document also explains principles of research ethics like beneficence, autonomy, and non-maleficence. It emphasizes treating all participants fairly and with respect.