“For three years, an incredibly nerdy—but consequential—debate has raged among health policy researchers regarding Medicaid, America’s government-run health-care program for the poor. Piles of studies have shown that people on Medicaid have health outcomes that are no better, and often worse, than those with no insurance at all”

http://www.forbes.com/sites/aroy/2013/05/02/oregon-study-medicaid-had-no-significant-effect-on-health-outcomes-vs-being-uninsured/