112 pages : color illustrations, color photographs ; 24 cm
Includes bibliographical references and index.
The human ecosystem -- Planet of the microbes -- The golden era of antibiotics -- "Swallowing a grenade": the antibiotic problem -- A new era -- Taking a closer look -- Mixed-up microbes -- Protecting the microbiome.
Junior Library Guild
Trillions and trillions of microbial cells live on and inside your body. A small number of these microbes are unhealthy germs. But most of these tiny tenants don't make you sick. They belong in your body and perform essential jobs. Microbes help digest your food, protect you from dangerous germs, and help your body fight disease.