Carl Malmberg (June 26, 1904 – February 6, 1979) was an American public health educator, translator and writer.
A review in the Journal of the American Medical Association concluded that "the book may well be recommended by all physicians to patients who are interested in being disillusioned relative to the fallacies that recur again and again in the field of nutrition.
"[6] The American Journal of Clinical Pathology, commented that "this excellent expose of fads and fadists who have plied their trade on the unsuspecting public is well worth reading.
"[7] A 1937 review in The Philippine Journal of Science described the book as a "startling revelation of the different diet fads and medicinal frauds that are now found in the market...
In this book one will find many popular diets in vogue in America, criticized severely and their inconsistencies and dangers clearly presented.