The Five Most Costly Conditions, 1996 and 2006: Estimates for the U.S. Civilian Noninstitutionalized
http://www.meps.ahrq.gov/mepsweb/data_files/publications/st248/stat248.pdf
Heart conditions, cancer, trauma-related disorders, mental disorders, and asthma ranked highest in terms of medical spending in both 1996 and 2006. The relative increase in medical expenditures was highest for mental disorders between 1996 and 2006. From the Agency for Healthcare Research and Quality
