The U.S. federal government agency responsible for protecting the public’s health and providing important services, especially for people in need. The DHHS works with state and local governments throughout the country to do research and provide public health services, food and drug safety programs, health insurance programs, and many other services. There are several federal agencies that are a part of the DHHS. They include the Food and Drug Administration (FDA), the Centers for Disease Control and Prevention (CDC), the National Institutes of Health (NIH), and the Centers for Medicare and Medicaid Services (CMMS). Also called Department of Health and Human Services.