The Dangerous Chemical Lurking in Your Beer Can | Mother Jones
▻http://www.motherjones.com/tom-philpott/2015/02/no-i-cant-why-im-turning-away-canned-craft-beer
Like most other commercially available cans, beer cans are lined with epoxy that contains #bisphenol_A (BPA), a chemical that keeps foods from reacting to #aluminum, but that has also become associated with a range of ailments, including cancer, reproductive trouble, and irregular brain development in kids. BPA is well established as an endocrine-disrupting chemical, meaning that it likely causes hormonal damage at extremely low levels. The question is whether we get enough of it in beer (and other canned goods) to cause harm.
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BPA-free can linings are only approved for low-acid foods like beans. For high-acid substances like tomatoes or beer, there’s no approved alternative yet.