A study found that participants who drank for a week from polycarbonate bottles showed a 69 per cent increase in their urine of BPA, which mimics the female sex hormone oestrogen.

• 研究发现，（好囧的这四个字。。。）饮用聚碳酸酯瓶装水的参与者，一周后其尿液中BPA增加了69%25，而BPA与女性雌激素极其相似。