Sucking on a silvery chunk of lead as a kid can, decades later, cause you to be mean and self-centered.
While it might sound like a prophecy from a witch, this bizarre fact was the primary finding of a massive University of Texas study examining the effects of lead exposure on people’s personalities.
The study, published last week in the Proceedings of the National Academy of Sciences, investigated the impact of lead on more than 1.5 million people in the United States and Europe. It found that lead exposure was linked to being less agreeable and less considerate as well as other personality issues.
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