The researchers at University of Michigan concluded a study that says women live longer than men everywhere in the world. Though it is recognized since mid- 18th century. It isn’t a recent trend and initiated from evolutionary history.
Sexual roles of males and females in reproduction play decisive role in the different life expectancies. Male physiology, shaped by sexual competition, is putting the guys at a disadvantage of less life than women. Males compete aggressively for female attention and that costs them the longevity. Male behavior and physiology, modern lifestyles are other responsible factors that exacerbate the gap wider.
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