Mental Disorders Top The List Of The Most Costly Conditions In The United States: $201 Billion

Source: Charles Roehrig, Health Affairs, Vol. 35 no. 6, June 2016
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From the abstract:
Estimates of annual health spending for a comprehensive set of medical conditions are presented for the entire US population and with totals benchmarked to the National Health Expenditure Accounts. In 2013 mental disorders topped the list of most costly conditions, with spending at $201 billion.