Silver Book Fact
In the United States, chronic disease accounts for 75% of the more than $2 trillion spent on health care per year.
Paez K, Zhao L, Hwang W. Rising Out-Of-Pocket Spending For Chronic Conditions: A ten-year trend. Health Affairs. January 2009; 28(1): 15-25. http://content.healthaffairs.org/cgi/content/abstract/28/1/15