It does. One of the differences is that our parents, grandparents and great grandparents have eaten "natural" foods as well so while they aren't completely unde

It does. One of the differences is that our parents, grandparents and great grandparents have eaten "natural" foods as well so while they aren't completely undestood we often know a whole lot more about those risks. (I guess I should mention, as far as I understand we now know that some of the natural ones increase cancer risk quite a bit, yes.)