Not to be a jerk but...
If you are eating more than using where do you think the excess goes? It magically disapears because we have some romantic notion we are eating like a caveman?
The book tells you how to create an environment that will allow our bodies to do what it has evolved to do.
After you close the book you have find out where you are, how to start, where you are going, and how to get there.
There is lots of CW that is true. Smoking is bad, Don't eat yellow snow, If you don't know the answer it's probably "Yes Dear". Stuff like that.
I always assume people know what I am talking about. Big mistake.
Not that I think you should know what I am talking about. Bah! See what I mean haha!