There is no doubt mothers’ milk is the best food in the world for the babies. Unfortunately, mothers’ milk of today ain't the same as the mothers' milk thirty years ago. A recent study confirmed previous findings that American mothers' milk contains high levels of toxic chemicals called polybrominated diphenyl esters (PBDEs), among other toxic pollutants such as PCBs and dioxins.The study was conducted by an environment-concerned group called Northwest Environment Watch. Milk from 40 breastfeedi.