Each son takes an average of34weeks off a woman's life span evolutionary biologist samuli helle and colleagues at the university of turku found.
土尔库（芬兰西南部港市）大学的进化生物学家萨缪尔-赫勒和他的同事们发现，平均每生一个儿子会使女人短寿34个星期。
Each son takes an average of34weeks off a woman's life span evolutionary biologist samuli helle and colleagues at the university of turku found.
土尔库（芬兰西南部港市）大学的进化生物学家萨缪尔-赫勒和他的同事们发现，平均每生一个儿子会使女人短寿34个星期。
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