Which question should readers ask before reading the "More than Flavorful" section? Where did the most flavorful herbs originate? What does the book Pen Tsao explain about herbs? Other than adding flavor, what else can herbs do?

The most probable question which readers should ask before reading the "More than Flavorful" section is:

Other than adding flavor, what else can herbs do?

The section would surely discuss other uses of herbs aside from its contents that add flavor.