Anyway, how bad can BPA actually be?

不管怎样，BPA 实际上有多糟糕？

See, BPA is what’s known as an endocrine-disrupting chemical.

看，BPA 是一种众所周知的内分泌干扰化学物质。

Those chains are pretty chemically inactive, but the trouble comes when unreacted BPA molecules stick around in the plastic.

这些链条的化学性质非常不活泼，但当未反应的 BPA 分子粘在塑料中时，问题就来了。

Even though there’s been a fair amount of research on BPA, we still don’t know if it’s completely safe.

尽管对 BPA 进行了大量研究，但我们仍然不知道它是否完全安全。

Animal studies have linked BPA to all sorts of problems, like decreased fertility, impaired fetal development, obesity, and cardiovascular diseases.

动物研究已将 BPA 与各种问题联系起来，例如生育能力下降、胎儿发育受损、肥胖和心血管疾病。

Lots of studies have found BPA is bad, but they don’t always agree on how or why.

许多研究发现双酚 A 是有害的，但他们并不总是就如何或为什么达成一致。

Because BPA is a hormone disruptor, it might act differently from other toxic substances.

由于 BPA 是一种激素干扰物，它的作用可能与其他有毒物质不同。

BPA is short for bisphenol A, and it’s one of the most common ingredients in a type of hard, clear plastic called polycarbonate.

BPA 是双酚 A 的缩写，它是一种称为聚碳酸酯的硬质透明塑料中最常见的成分之一。

For one thing, laboratory conditions don’t mimic the way we interact with BPA very well, in terms of dosage or exposure.

一方面，就剂量或暴露而言， 实验室条件并不能很好地模仿我们与 BPA 相互作用的方式。

Having them labeled that way makes it seem like a dangerous chemical, but you can find BPA in all sorts of things.

以这种方式标记它们会使它看起来像是一种危险化学品，但你可以在各种各样的东西中找到 BPA。