Reproductive tract infections (RTis) have become a silent epidemic that is devastating women's lives. Each year, thousands of women die needlessly from the consequences of these infections, including cervical cancer, ectopic pregnancy, acute and chronic infections of the uterus and the fallopian tubes, and puerperal infections. For many women, this happens because they receive medical attention too late, if at all. The terrible irony of this tragedy is that early diagnosis of and treatment for many RTis do not require high-technology health care. For the hundreds of millions of women with...

Peter Piot, founding executive director of the Joint United Nations Programme on HIV/AIDS (UNAIDS), recounts his experience as a clinician, scientist, and activist fighting the disease from its earliest manifestation to today. The AIDS pandemic was not only catastrophic to the health of millions worldwide but also fractured international relations, global access to new technologies, and public health policies in nations across the globe. As he struggled to get ahead of the disease, Piot found science does little good when it operates independently of politics and economics, and politics is...