- See Photo - Effects of the Paleo Diet on muscle mass. The Paleo Diet is based upon what grok the Caveman did, and ate. Cross Fit applauds the Paleo Diet, which was ranked last by medical experts in USNEWS WORLD REPORTS.
INSANITY Fast and Furious Abs DVD Workout, Get maximum results in just 20 minutes! Shaun T packs a INSANITY workout into less than half the time. So if you only have time to please temporary INSANITY, this one's for you.