How To Find Private Health Insurance We discuss private health insurance - the main source of health coverage for the majority of people in the United States and look at how to get the coverage you need. What Is Health Insurance? What Is Health Insurance? Health insurance is a type of insurance coverage that covers the cost of an insured individual's medical and surgical expenses. What Is The Affordable Care Act? What Is The Affordable Care Act? The Affordable Care Act ('Obamacare') was signed into law by President Barack Obama on 23rd March, 2010. The aim of the Act is a health care law aimed at improving the health care system of the United States. We explain how it works.