This study has been touted by Senator Bernie Sanders of Vermont as proof of the benefits of a universal, single-payer health care system, but the research hasn’t been peer-reviewed

Implementing a universal, single-payer health care system would save the U.S. more than $1 trillion and some 114,000 lives every year, according to a recent Yale University analysis.

In a preprint paper posted on July 24 that has not yet been peer-reviewed—the gold-standard quality check for academic research—scientists at Yale’s School of Public Health and the University of Maryland, Baltimore, found that, under the current U.S. health care system, which largely hinges on private insurance, Americans spend some $5.2 trillion per year on health care. Under a “Medicare for All” system, they estimated, that would shrink to around $4.2 trillion, with savings of $1.04 trillion.

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