1.

These concepts were so tightly woven into the book that W. W. Prescott wrote “it is almost impossible to take out these ideas and leave anything in the book beyond the simple statements of physiological truth.” (Letter to Dr. J. H. Kellogg, dated October 25, 1903) See also M. C. Wilcox’s review of the book in The Signs of the Times, December 30, 1903, p. 11.