This document provides an overview of the US healthcare system and key statistics. It discusses the history and development of healthcare delivery, including milestones in medicine, hospitals, public health and health insurance. It also outlines stakeholders in the current system like employers, insurers, and government. Statistics like life expectancy, infant mortality, GDP spent on healthcare are presented, showing the US lags peers on some health indicators. Tobacco rates are lower in the US while obesity rates are higher versus other OECD nations.