In this issue

Jeffrey I. Gordon, MD, is expanding our understanding of human health into nonhuman realms, studying the bacteria that take up residence in the gut and help define who we become. Indeed, this research suggests you are what you — and your microbes — eat.

At the Gary M. Sumers Recreation Center, the university encourages healthy living through ­ state-of-the-art fitness and recreation facilities.

WashU alumni share their magical stories about working on Broadway, becoming part of a larger cultural conversation and, ultimately, making a difference.