Adverse Selection Explained — Why High-Risk People Buy More Insurance

What does adverse really mean, and why do we hear it so often in phrases like adverse reaction? In this mini vocabulary lesson, students explore the meaning of adverse, its Latin root adversus meaning “turned against,” and how context helps us understand academic and real-world language. By connecting vocabulary to medicine, everyday experiences, and word origins, this lesson shows how precise word choice improves reading comprehension and communication skills. Learning where words come from hel