Phillip Landrigan: Another chemical known as Bisphenol-A or sometimes BPA is found in a lot of plastic water bottles.
菲利普·兰德里根：还有一种化合物叫双酚- A (BPA)，你可以在许多许多矿泉水瓶中找到它。
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Dr. Landrigan said scientists start concerned about chemicals called phthalates, widely used to make plastic flexible, and found in baby toys and medical supplies.
Phillip Landrigan: However, we know so little about the toxic effects of these chemicals in humans, that just because the level is low doesn't mean you don't have to worry about it.