Contraceptives can prevent pregnancy in three basic ways: they either block sperm, disable sperm before they reach the uterus, or suppress ovulation. But is one better than the other? How does each one work?
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Learn more here!
At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100 types of HPV, and most of the time the body eliminates infections without symptoms— but some strains can pose serious health risks down the line. How can you protect yourself from HPV?