Although human papillomavirus, or HPV, is the most common sexually transmitted disease, many people are unaware of the effects it can have. Its symptoms are generally mild compared to other diseases, and many times, no symptoms are present, leading to the mistaken belief that HPV is not serious. However, it can cause several types of cancer in both men and women, so knowledge of how to prevent and treat it is crucial. Through informative sidebars, annotated quotes from medical experts, and detailed graphs, readers learn the true risks of this disease and what precautions they can take to protect themselves.