Metal Water Bottles May Be Hazardous to Your Health

Posted by on September 28, 2009 03:14 PM

Countless eco-conscious consumers have switched to Sigg aluminum bottles because of bisphenol-A, or BPA, a substance commonly used to harden plastic that has raised health concerns.

But bottles made by Sigg Switzerland before August 2008 had “trace amounts” of BPA in the epoxy liners. Sigg officials knew it since June 2006, but didn’t announce it until last month.

The bottles, which can sell for more than $20, include slogans like “simply eco logical.”

Concerns about BPA stem from the fact that it can mimic estrogen, a powerful hormone.

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