Dan Pardi has a recent blog post outlining five popular versions of the paleo diet (aka Stone Age diet, caveman diet, paleolithic diet). (I don’t like the term “caveman diet.”) Although it’s a short post, I haven’t read it yet.
Medical and nutrition science researchers need a concensus definition, if possible, before they begin their investigations. I suspect they’ll end up with several definitions, as we’ve seen with the Mediterranean diet.
Paleo Diabetic 