Paleo- : A combining form meaning old, ancient; as, palearctic, paleontology, paleothere, paleography.

Example:
What's the difference between Paleo and Traditional conservatism?

Taxonomy
diet, paleo diet, food, meat, evidence, grains, Paleolithic Diet, Evolution, health, mailing list, dietary, paleodiet, Paleolithic, body, sugar, Loren Cordain, hunter-gatherers, Caveman Diet.

Defination from the web:
... Excellent for friends and relatives of paleo eaters who are wondering why you eat weirdly. ... Caveman Power Diet has you in stages go through a detox diet eating only paleo foods. ...