I love the wry motto of the Paleontological Society meant both literally and figuratively for hammers are the main tool of our trade: Frango ut patefaciam - I break in order to reveal.
Paleoanthropology is not a science that ends with the discovery of a bone. One has to have the original to work with. It is a life-long task.
I tried the paleo diet which is the caveman diet - lots of meat. And I tried the calorie restriction diet: The idea is that if you eat very very little - if you're on the verge of starvation you will live a very long time whether or not you want to of course.