Stress That Kills? Study Says Being a World Leader Ages You Quicker

Right: President Obama on May 15, 2015. Left: Then-Senator Barack Obama on November 11, 2007
( Olivier Douliery-Pool/Eric Thayer/Getty Images for Meet the Press / Getty )

Produced by Kristen Meinzer

Hosted by Todd Zwillich

Produced by PRI and WNYC