Antibiotic infections affect some two million Americans each year, and kill at least 23,000. Researchers are struggling to keep up with evolution and find new medications to fight these infections. A new book argues that, despite our fear of them, bacteria and viruses may be some of our best allies and weapons against antibiotic resistance.
We talk with Emily Monosson, author of Natural Defense: Enlisting Bugs and Germs to Protect Our Food and Health.