Healthcare is the maintenance or improvement of health via the prevention diagnosis treatment amelioration or cure of disease illness injury and other physical and mental impairments in people. The United States spends a higher proportion of its GDP on healthcare 19 than any other country in the world except for East Timor Timor-Leste. Ama Insurance Terms And Conditions Ama Since 2001 premiums for family coverage have increased 78 while wages have risen 19 and prices have risen 17. Ama insurance agency inc claims address . Medicine dentistry pharmacy midwifery nursing optometry audiology psychology occupational therapy physical. Health care is delivered by health professionals and allied health fields. The number of employers who offer health insurance is declining. Costs for employer-paid health insurance are rising rapidly.