BPA, a substance that has been shown to affect reproduction and brain development in animal studies is found to be realeased in bottles containing hot liquids. BPA (Bisphenol-A) is a harmful chemical released from polycarbonate plastic bottles.
Scientists from University of Cincinnati found that hot liquids increased the rate of BPA released 55 times more. This has not included the increment if you repeatedly scrub, dish-wash and boil polycarbonate baby bottles. In a study using boiling water, the rate of release from individual bottles ranged from 0.2 to 0.8 nanograms/hour to a range of 8-32 nanograms/hour after exposure.
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