Health care is the maintenance or improvement of health via the prevention, diagnosis, treatment, recovery, or cure of disease, illness, injury, and other physical and mental impairments in people. Health care is delivered by health professionals in allied health fields. Each insurance brand may offer one or more of these four common types of plans: Health maintenance organizations (HMOs) Preferred provider organizations (PPOs) Exclusive provider organizations (EPOs). Health is a positive concept emphasizing social and personal resources, as well as physical capacities