The Fundamental Basis of Nutrition

The Fundamental Basis of Nutrition is a scientific work by Graham Lusk, the American physiologist who lived from 1866 to 1932 and who was one of the leading figures in the development of nutritional science as a serious academic discipline in early twentieth century America. Lusk taught at the Cornell University Medical College in New York and his various textbooks and research monographs were foundational for the generation of physicians and biochemists who established modern nutritional medicine.

Lusk’s central scientific contributions concerned the calorimetric measurement of energy metabolism in human beings and the careful quantitative study of how the body actually processes the various macronutrients of carbohydrate, fat, and protein. He worked in the experimental tradition that had been established by the great German physiological chemists Carl von Voit and Max Rubner, both of whom Lusk had studied under during graduate work in Germany. The American nutritional science that Lusk helped establish was essentially the transplantation and further development of this German experimental tradition in American university and hospital settings.

The Fundamental Basis of Nutrition presents the core scientific principles in accessible form for a general educated audience. The book covers the basic energy metabolism of the human body, the specific nutritional requirements for different categories of food, the methods by which nutritional adequacy can be measured, and the practical applications of nutritional science to human health and disease. Lusk wrote clearly and avoided the more technical mathematical apparatus of his research papers in the popular version, while still preserving the scientific accuracy that distinguished his work from the more speculative health writing of the period.

Lusk’s textbook The Science of Nutrition, published in multiple editions across his career, became one of the standard works in American medical schools and remained influential well after his death. The Fundamental Basis of Nutrition served the broader educated public audience and helped establish the public legitimacy of scientific nutritional thinking against the various forms of dietary quackery that flourished in early twentieth century America.

The book is mostly of interest now to historians of American nutritional science and of early twentieth century medical education. It pairs naturally with Lusk’s textbook and with the broader American physiological literature of the period.