This document provides an overview of health insurance. It defines health insurance as insurance that covers medical and surgical expenses. It explains why health insurance is needed to protect against high, unexpected medical costs and make quality treatment affordable. It then describes different types of health insurance plans including HMOs, PPOs, and high-deductible plans. The document provides steps for obtaining health insurance, filing claims, and surrendering a policy. It also outlines advantages and disadvantages of health insurance as well as tips to avoid health insurance scams.