This classic work from the late 19th century explores the science of nutrition, providing a comprehensive overview of the chemical and biological processes that govern the human metabolism. Based on the latest research of the time, the book examines the role of diet and nutrition in health and disease, as well as the potential of new foods and supplements to prevent and cure illness. This book is a must-read for anyone interested in the science of nutrition and its impact on human health. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.