All I know is that 98% of Vegetarians never get Cancer of any kind, and that the other 2% are smokers. "The China study" is a fascinating read. Not here to start a fight, I have just seen a million fad diets come and go over the years and it seems to me that Paleo is no different. What was the average lifespan of a Paleolithic hunter/gatherer? Have we learned nothing since? All food for thought. 3 things that I am POSITIVE about are 1) Chlorella supplementation 2) Maca root as a caffeine/energy drink replacement and 3) Cordyceps. Cordyceps is the crown jewel of Chinese medicine and is appropriately expensive as shit. When I was playing Rugby for Shanghai the old Mr. Miagi-esque Dr. would feed us that stuff and holy balls if it isn't awesome. As an adaptogen, it brings your systems into balance, either energizing, speeding recovery, stimulating or sedating depending on where you are. One never "has" to liquefy foods, but what can chew better as to make nutrients more bio-available, you or a vitamix? Jon Hinds is the only 49 year old I have seen who can do 1-armed handstand pushups, that much is for certain. As previously stated the concept, whether meat or not, I like to think of is as calories as money in a bank. What are you "buying" with those dollars? How many nutrients? What combination of foods maximizes that investment. Whatever is the highest, is the best.