I'm not sure that argument holds water. Plenty of "natural" products "tested by time and human history" have ended up exposed as harmful. Tobacco is the obvious

I'm not sure that argument holds water. Plenty of "natural" products "tested by time and human history" have ended up exposed as harmful. Tobacco is the obvious one, but folks have been grilling meat for likely hundreds of thousands of years, and that's probably riskier than many artificial additives[1]. [1] http://en.m.wikipedia.org/wiki/Heterocyclic_amine_formation_in_meat http://en.m.wikipedia.org/wiki/Heterocyclic_amine_formation_...