In 2013, researchers published a landmark study on why Americans of all incomes and demographics die years before their peers in comparable countries. In the decade since the report was published, that gap has only grown. We examine the policy choices behind Americans' shorter lives.This episode: political correspondent Susan Davis, national political correspondent Mara Liasson, and health correspondent Selena Simmons-Duffin.The podcast is produced by Elena Moore and Casey Morell. It is edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Devin Speak.Unlock access to this and other bonus content by supporting The NPR Politics Podcast+. Sign up via Apple Podcasts or at plus.npr.org. Giveaway: npr.org/politicsplusgiveaway Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.