Bioethics explores ethical issues in healthcare and medical research. It addresses patient autonomy, fairness in resource allocation, and the impact of new technologies on human health and dignity. Key principles include beneficence, non-maleficence, justice, and informed consent. Major topics in bioethics include end-of-life decisions, reproductive ethics, organ transplantation, and genetic engineering. The field grapples with balancing individual rights and societal needs, considering diverse stakeholder perspectives and evolving scientific advancements.