Silver Book Fact
Health care spending accounts for 16% of the GDP, with total spending estimated to reach $2.2 trillion in 2006.
Zuvekas S, Cohen J. Prescription Drugs and the Changing Concentration of Health Care Expenditures. Health Aff. 2007; 26(1): 249-57. https://www.healthaffairs.org/doi/full/10.1377/hlthaff.26.1.249