Red meat's image has tended to emphasize stereotypically aggressive male behavior, ranging from ancient barbarians to modern tailgaters.
But McGill University in Canada says its studies suggest otherwise: Meat has a calming effect on men.
Maybe men know what is best for them when they gravitate to the backyard grill.
"It wouldn't be advantageous to be aggressive anymore, because you would've already used your aggression to acquire the meat, and furthermore, you'd be surrounded by people who share … your DNA," lead researcher Frank Kachanoff told the Montreal Gazette. "One of the basic principles in evolution is to want to preserve not only your DNA but also that of your next of kin."
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