By Alexa Mikhail – Fortune

In a new study published today, researchers at Brown University analyzed the survival rates and wealth of older adults in the U.S. and Europe over 12 years. They found that Americans’ survival rate was lower than their European counterparts across all wealth tiers. The wealthiest in Northern and Western Europe had a mortality rate roughly 35% lower than that of the wealthiest Americans.

“Whatever is happening with mortality in the U.S. and these decreases that we see in life expectancy are not just things that are happening to the poorest Americans,” Irene Papanicolas, senior author of the study and a professor of health services, policy, and practice at Brown School of Public Health, tells Fortune. “There’s something systemic that’s happening that affects every American.”

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