Klappentext
This book is a reprint of two articles written by Upton Sinclair for Cosmopolitan magazine on the subject of fasting for health, together with the most interesting of the numerous replies they brought forth, and the most significant letters written to him by private individuals asking his advice and detailing their own experiments along similar lines. There are also extracts from some of the author's articles in Physical Culture magazine on the same topic. Introduction by Karl Wurf.
