Sarah Burgard has found that chronic job insecurity is strongly linked to poor health and depression.
Derek Griffith says he wants to get to the bottom of racism itself. African-American patients spend less time with their health-care providers than white Americans and receive poorer quality of care.
Noah Rosenberg hopes to learn why genetic diseases vary in frequency from one population to the next.
In the past three decades, officials have registered several hundred outbreaks of waterborne disease in the U.S. due to contaminated drinking water.
Scott Greer is advising British officials on the ins and outs of EU health policy. Some of the world's most intractable health problems are fundamentally political problems, he says.