The preface of the book which is the main part of explaining aspects of why we eat what we eat begins with:
"Some books are to be tasted, others to be swallowed, and some books are to be chewed and digested . . . "
Francis Bacon: Of Seeming Wise
To read the book, return to the main website, go to "Pubs" [Publications] and then "Are We Really - etext" in the side nav panel.