>They don't really say stay away from them, do they? Limit the intake, yes.
I think just to limit (they will never going to say to stay away 100%) but I'd go a step further and stay away. I stopped eating meat and dairy a while ago. On top of that, I try hard to limit my intake of any kind of processed food.
If you are interested in learning more about the connection between the western diet and health, read the "The China Study" book.