Evolutionary forces explain why women live longer than men
...dern factors that would explain the different life expectancies of men and women, the gap is actually ancient and universal, according to University of Michigan researchers. "Women live longer in almost every country, and the sex difference in lifespan has been recognized since at least the mid-18th century," sa......ures as young adults had significantly longer life expectancies than those that were less bright, the team reporte...a typical experiment, the brightest worms had life expectancies of about 16 days, compared to about three days for those with the lowest expressed levels of fluores...