Aetna is a big name in health care. It is an American managed health care company that provides health insurance products and services to more than 38 million people. AETNA was founded in 1853 and is now one of the largest health insurance companies in the United States. It offers a wide range of health care plans, including medical, dental, vision, and prescription drug coverage. AETNA also provides a variety of other services, such as wellness programs, health education, and disease management.