"The recommendations we list below could be given a variety of different names ... Probably the most common of the names for similar recommendations are paleo or primal ... Rather, what is important is that we are trying to emulate the type of eating that humans evolved with over millions of years -- the type of diet/lifestyle that matches our genetics, that is evolutionarily appropriate, that allows our bodies' hormonal and other systems to function optimally -- the diet and lifestyle that will maximize our health, our longevity, and how we feel."--Page 155.