This document discusses different theories around the concept of rights and whether there is a right to health care. It outlines that rights can be positive or negative and examines libertarian, utilitarian, and Rawlsian perspectives. The document focuses on Norman Daniels' argument that there is a right to health care because it protects equality of opportunity. It discusses what this right may include, challenges in allocating limited health care resources, and the idea of basic vs supplementary health care tiers.