Social Justice What Will It Take for Conservative States to Allow Needle Exchanges? Indiana has temporarily lifted a ban on needle exchanges to help combat an HIV outbreak. Why leave the ban intact at all? Bettina Chang
Social Justice Where the Impulse to Suck Smoke Remains Strong Where are college students and the mentally ill most likely to pick up a cigarette habit? Peter C. Baker
Social Justice How Many People Must Be Unvaccinated Before You Have to Worry About Getting Measles? Because measles passes so easily between people, 96 percent to 99 percent vaccination rates are required for "herd immunity" to work. Francie Diep
Social Justice How the Ebola Epidemic Will Lead to Measles Outbreaks Too The Ebola epidemic will likely lead to outbreaks of other diseases, but countries could prevent that with vaccination campaigns. Francie Diep
News in Brief When Peacekeepers Become Disease Spreaders When United Nations peacekeepers inadvertently started a cholera epidemic in Haiti, victims expected compensation from the world’s foremost human rights arbiter. What does it mean if they can’t get it? M. Sophia Newman
Social Justice You Probably Have Herpes, so Stop Laughing About It The heavy stigmatization of herpes only contributes to increases in disease transmission and hinders public health prevention efforts. Melinda Pettigrew
Social Justice Can We Ever Really Eradicate a Disease? Experts are debating whether an Ebola vaccine can eradicate the disease in 2015. They’re getting way ahead of themselves. M. Sophia Newman
Social Justice How Much Vaccination Is Too Much Vaccination? Knowing when—and not just how—to vaccinate is important in fighting off bacteria, research shows. Nathan Collins
Economics Sequenced in the U.S.A.: A Desperate Town Hands Over Its DNA The new American economy in three tablespoons of blood, a Walmart gift card, and a former mill town's DNA. Amanda Wilson
Social Justice Brazil’s Billion-Dollar Gym Experiment Can a grand vision of 4,000 free public gyms overcome inequality and fight Brazil’s health crisis? Catherine de Lange