JAMA Network March 26, 2019
In 2015, five health conditions—heart disease, mental disorders, diabetes, osteoarthritis, and cancer—accounted for nearly one-third of all medical care spending in the United States. More than $100 billion was spent to treat heart disease alone. Expenditures associated with heart disease and cancer have not increased significantly between 1996 and 2015. Although the percent of people being treated increased 1.2- to 1.5-fold, average per capita expenditures decreased for these conditions. In contrast, the...