Clean

<b><b>Named a Best Book of 2020 by NPR and <i>Vanity Fair</i><br><br>One of <i>Smithsonian</i>''s Ten Best Science Books of 2020<i><br></i><br>“A searching and vital explication of germ theory, social norms, and what the modern era is really doing to our bodies and our psyches.” —<i>Vanity Fair</i></b><br><br>A preventative medicine physician and staff writer for <i>The Atlantic</i> explains the surprising and unintended effects of our hygiene practices in this informative and entertaining introduction to the new science of skin microbes and probiotics.</b><br> <br> Keeping skin healthy is a booming industry, and yet it seems like almost no one agrees on what actually works. Confusing messages from health authorities and ineffective treatments have left many people desperate for reliable solutions. An enormous alternative industry is filling the void, selling products that are often of questionable safety and totally unknow