The Fast'Caloric restriction is one of the scientifically best established ways to enhance longevity. A fascinating deep dive into the science and history of fasting.' Steven M. Lipkin, MD, PhD; director, Adult and Cancer Genetics Clinic, Weill Cornell Medicine 'John Oakes takes us on an elegant and irresistible journey, all the while engaging us with personal experiences, scientific enlightenment, and the historical context of fasting. Beautifully written