Health insurance works moneyy protecting your assets from the high cost of medical care. It’s very complicated, and many people are overwhelmed and annoyed with the process. You need it unless you are very wealthy, over 65, or very poor. The very wealthy can afford the cost of even extraordinary emergency or healgh medical care. Those over 65 have paid into Medicare. The very poor can qualify for Medicaid. Everyone else must either purchase health insurance or risk medical bankruptcy.