Video games fill the need for social competition

From Ars Technica:

The next time your girlfriend, wife, or mother complains about all the time you spend playing PS3 or online games, you can tell her that your attraction to video games may actually be a by-product of evolution. Scientists at the University of Missouri have found that hormonal surges in men playing violent multiplayer videogames are very similar to hormonal responses males of other species experience during reproductive and territorial challenges. These responses may be evolutionarily hard-wired to help males succeed in coalitionary combat against competitors.

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