Medicare spending growth per beneficiary has been historically low since the passage of the Affordable Care Act in 2010. JAMA Health Forum Deputy Editor Melinda B. Buntin, PhD, of Vanderbilt University, speaks with JAMA Health Forum Editor John Ayanian, MD, MPP, and Associate Editor Zirui Song, MD, PhD, about the factors that explain this slowdown in Medicare spending and the implications for policy makers, physicians, and Medicare beneficiaries. Related Content:

• Trends in and Factors Contributing to the Slowdown in Medicare Spending Growth, 2007-2018