National health care spending growth decelerated in 2016 following two years of coverage expansion under the Affordable Care Act and high retail prescription drug spending growth, but even though the rate of spending growth declined, the share of the economy devoted to health care grew slightly as that spending increased 1.5 percentage points faster than the gross domestic product. Health care spending in the United States grew at a rate of 4.3 percent to $3.3 trillion in 2016 -- $10,348...