Americans are paying more and getting less for their health care than ever before. On the new season of Prognosis, reporter John Tozzi explores what went wrong. 

Trillions

Introducing Prognosis Season 4: America's Broken Health-Care Costs

Money goes where it's treated best. That simple truth is a big reason why more and more money—trillions, in fact—flows into a powerful, low-cost tool that's quietly transformed investing in recent years. Exchange-traded funds, or ETFs, let you invest in everything from the stock market to gold like never before. This biweekly podcast will demystify them—and delight you in the process.

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Trillions