This document provides an overview of the foundations of bioethics. It defines ethics and health ethics, discusses important principles like beneficence, non-maleficence, and autonomy. It also covers topics like informed consent, truth-telling, conflicts of interest, capacity assessments, futile care, and the role of ethics committees. The document establishes that bioethics aims to guide complex medical decisions using moral frameworks to balance patient welfare, rights, justice, and professional standards.