When men go to war, blame their sex drive: Males evolved to be 'aggressive to outsiders' | Mail Online:
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From football thugs clashing on the terraces to soldiers killing each other on the front line, most conflict can be blamed on the male sex drive, a study suggests.
The review of psychological research concludes that men evolved to be aggressive towards ‘outsiders’, a tendency at the root of inter-tribal violence.
It emerged through natural selection as a result of competition for mates, territory and status, and is seen in conflicts between nations as well as clashes involving rival gangs, football fans or religious groups, say the researchers.
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