Health policy is a field of study focused on the development, implementation, and evaluation of policies to improve the health and well-being of individuals and populations. This field addresses a wide range of issues such as healthcare access, affordability, quality, and equity. Health policy research examines the impact of policies on health outcomes, healthcare delivery systems, and healthcare costs. Researchers in this area often work closely with government agencies, healthcare providers, and other stakeholders to inform policy decisions and drive improvements in the healthcare system.