April 15, 2015
Collen, an evolutionary biologist, provides a fascinating look into the world of the microbiological hitchhikers that travel with us throughout our lives. The ten percent in the title refers to the number of cells in our bodies that are actually human; the other 90 percent are microbes, mostly bacteria, that have coevolved with us in a mutually beneficial symbiosis. Those who have suffered the side effects of having their normal gut flora wiped out by a course of antibiotics already understand the importance of intestinal bacteria to our health. Collen points out that many modern diseases--allergies, autoimmune disorders, obesity, irritable bowel syndrome, asthma, autism, and others--became diagnosed in ever-increasing numbers after the use of antibiotics became widespread after World War II. She hypothesizes that there may be a connection and points to the research supporting the theory. She recommends that we take a far more judicious approach to the use of antimicrobials, both for illness and in cleaning products that may be doing more harm than good. VERDICT Recommended for all readers, particularly those contending with the diseases listed and parents making health choices for their children that may have far-reaching consequences.--Rachel Owens, Daytona State Coll. Lib., FL
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