The United States (US) has a population of over 324 million people and one of the most complex healthcare systems in the world. US health care system is in a constant state of change. The United States spends the most on health care per person — $9,237 – according to two new papers published in the journal The Lancet ($3.2 trillion total in 2015). For comparison, the global spending on health in 2014 was US$9·21 trillion. Continue reading →