Researchers found 'high levels' of arsenic in bottled water sold at Whole Foods and Walmart. Here's how worried you should be.

begin quote from:Researchers found 'high levels' of arsenic in bottled water sold at Whole Foods and Walmart. Here's how worried you should be.

Bottled water may be considered a luxury item, but it's also a life-saving tool, depending on where you live. In the wake of ...

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