A member of the list who prefers to remain a "lurker" (i.e. one who remains relatively anonymous by not posting messages) posted some questions, and made an interesting comment, which I thought I would forward here: -begin forwarded comments- One thing I would like to ask is the definition of cooking? There seem to be many ways of breaking down cell walls to make the nutrients available to humans. not all involving heat Also I would like to add, talking of the digestibility of plant foods, I have seen reports of reindeer hunters relishing the half digested contents of the reindeers stomachs as a source of vitamin C. The reindeer presumably having grazed on lichen which people would not eat in unaltered form. -end forwarded comments-