How do humans consume BPA?
All substances, including plastic, break down over time and through use/extended storage. (This is why bottled water has a use-by date.) As polycarbonate plastic deteriorates, it leaches BPA into the substances it contains. Heating or cooling polycarbonate plastic to extreme temperatures speeds up its deterioration, so that more BPA ends up in the contents of the bottle or container. This applies whether the containers are in the dishwasher, microwave, boiling water, submerged in hot water (eg to heat milk/formula), or in the freezer. It’s believed that “with as few as 50-100 washings—even before you see wear—significant amounts of bisphenol A can leach into your baby’s milk.”(Source: www.downtoearthorganics.com.au / www.ecochild.com.
