Here's somethng for starters, certainly not the only or last word. Philosophies affect life science scientists too, you know. '-)

"Vitamin C

Contraindications

Diabetics should take vitamin C supplements only under supervision, since it may affect blood sugar levels.3 People with genetic iron disorders should consult their physicians before using vitamin C supplements, since it increases the rate of iron absorbtion."

http://www-ksl.stanford.edu/people/kpfleger/multivitamins/cached/my.webmd.com_content_dmk_dmk_article_58947.html

http://www.google.com/search?hl=en&ie=ISO-8859-1&q=%22Vitamin+C%22+%22iron+absorbtion%22&btnG=Google+Search

"Did you mean: "Vitamin C" "iron absorption" "

If an automatic remote computer can argue with us, now, is there any hope left for the human/foetal race, or much longer for animals in general?

It would be interesting to hear/argue with Skibummer on this, eh, if the avalanches don't get him, or if the reindeer don't eat his homework?