I’ve spent my career studying how different health care systems work. People love to ask me which country has the best care — and are often disappointed when I don’t have an easy answer for them.

Presidential candidates Kamala Harris and Donald Trump have starkly different approaches to solving the nation’s biggest healthcare issues. Here’s a side-by-side comparison of where they stand. Share ...

The rise in consolidation and private-equity investment in health care markets have increased prices and reduced affordability, access, equality, and wages, and led to no change or even decreases in ...