Anne Maczulak, PhD, is the author of over 10 books on biology and ecology including Allies and Enemies: How the World Depends on Bacteria, and The Five-Second Rule and Other Myths about Germs. Anne has contributed to articles on germophobia, the fear of germs, in Psychology Today and has been a regular guest on television and radio, speaking to viewers about the good and bad microbes that lurk in households. As a regular guest expert on Martha Stewart Living Radio (Sirius/XM Radio), Anne answers callers' questions on disinfectants, infection, food-borne germs, and other topics.