Way gross science

This informative book details why and how the body performs such a gross reflex, and whether it means a person is sick or not.

Readers will learn that most bacteria do not cause diseases, but provide us with food and medicines, and help maintain soil and other ecosystems.

"[Examine] the inner world of bugs, worms, and microbes, explore their . . . life cycles, and discover how these tiny creatures topple civilizations and ruin lives. Readers will learn how to avoid infection or infestation, and what to do if parasites have let themselves in"--Amazon.