Polygamy is the key to a long lifeWant to live a little longer? Get a second wife. New research suggests that men from polygamous cultures outlive those from monogamous ones. After accounting for socioeconomic differences, men aged over 60 from 140 countries that practice polygamy to varying degrees lived on average 12% longer than men from 49 mostly monogamous nations, says Virpi Lummaa, an ecologist at the University of Sheffiel
