Agree it's a minefield. And it's pretty surprising that the human digestive system isn't better charted.

To me it seems that the modern human diet is the most peculiarly unatural thing. It might also be the recipe for human intelligence and longer living.

I'm worried about the adverse effects of some foods.

Bowel cancer is somewhat preventative and food related: http://cancerhelp.cancerresearchuk.org/type/bowel-cancer/abo...