Dorothy Hester asked:

>   Does anyone have links regarding processing of soy and tofu and reading as
>to why these are not good for human consumption?

I guess you aren't a regular reader of the articles that
http://www.PaleoDiet.com/ points to. To start see:

  http://www.rheumatic.org/soy.htm
  http://gerson.org/soy.html

Then for cereals, potatoes, and beans in general see:

  http://www.bmj.com/cgi/content/full/318/7190/1023

Don.