Cave Troll from Lord of the Rings via Wikipedia

Dan Blankenhorn of Smart Planet was thinking of his commenters when he suggested that “trolls die young”, based on a study researchers of the US National Institute on Aging. They looked at 5,614 Sardinians from four villages, and found that “those who scored high for antagonistic traits on a standard personality test had greater thickening of the neck… Read the full story on TreeHugger
Credits to:TreeHugger

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