Silver Book Fact
The national burden of diabetes is likely to exceed $174 billion because it omits the social cost of intangibles such as pain and suffering, care provided by unpaid caregivers, excess medical costs associated with undiagnosed diabetes, and other health care expenditures categories omitted from this study.
American Diabetes Association. Economic Costs of Diabetes in the U.S. in 2007. Diabetes Care. 2008; 31(3): 1-20. http://care.diabetesjournals.org/content/31/3/596.full.pdf+html