This informational guide, part of PS's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to help.

This sexually transmitted infection is almost entirely preventable. Here's what experts say you really need to know to protect yourself. Colorized transmission electron microscopy (TEM) of human ...

Few viruses are as widespread—and sometimes misunderstood—as the human papillomavirus, or HPV. It's so common that most of us—up to 80%—will encounter it at some point in our lives, often without even ...