Based on 20 years of investigative reporting and interviews with 100 practicing physicians who embrace the keto lifestyle as the best prescription for their patients' health, Gary Taubes puts the ketogenic diet movement in the necessary historical and scientific perspective. He makes clear the vital misconceptions in how we've come to think about obesity and diet (no, he says, people do not become fat simply because they eat too much; hormones play the critical role) and uses the collected clinical experience of the medical community to provide essential practical advice. Taubes sets out to revolutionize how we think about eating healthy, and what foods we can and can't eat to prevent and reverse obesity and diabetes.

Gary Taubes is an investigative science and health journalist, the author of The Case for Keto, The Case Against Sugar, Why We Get Fat and Good Calories, Bad Calories. Taubes is a former staff writer for Discover and correspondent for the journal Science. His writing has also appeared in The New York Times Magazine, The Atlantic and Esquire, and has been included in numerous "Best of" anthologies, including The Best of the Best American Science Writing (2010). He has received three Science in Society Journalism Awards from the National Association of Science Writers. He is the recipient of a Robert Wood Johnson Foundation Investigator Award in Health Policy Research, as well as cofounder and president of the nonprofit Nutrition Science Initiative (NuSI). He lives in Oakland, CA, with his wife, author Sloane Tanen, and their two children.