Since 1970, health care spending has grown at an average annual rate of 9.8%, or about 2.5 percentage points faster than the economy as measured by the nominal gross domestic product (GDP). Annual spending on health care increased from $75 billion in 1970 to $2.0 trillion in 2005, and is estimated to reach $4 trillion in 2015.And health care spending increases health insurance premiums, and taxpayer funded health plans, proportionately.new medical technology may account for about one-half...