http://www.thepaleodiet.com/nutritional ... acid.shtml - acid/base balance
scroll down and have a look at what the renal load number is on the egg yolk..
Both Paleo and Zone are purported to be anti-inflammatory diets. Tomatoes and capsicum and stuff (nightshades) sometimes get removed too if people are really experiencing bad effects from inflammation. Paleo trys to limit egg consumption for this reason I think (could be wrong)
On another angle;
http://www.krispin.com/lectin.html - if you have time to kill... lectins do bad stuff to your body, just scroll down and look at all the things that have been seen to improve after removing grains, dairy, legumes etc. pretty much exactly what Cordain says.

