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Recently we learned that scientists discovered son’s cells living in their mother’s brains, and now research indicates that having a son may shorten a mother’s lifespan. “It seems that boys are much more demanding to produce than girls.” This is according to Samuli Helle, co-author of a study that suggests boys truncate the lifespan of their mothers by almost a full year. Furthermore Scientific America notes that “…a woman’s risk of death increased by 7% per year for each son born — a small but statistically robust effect.”
“Baby sons … make a much greater physical demand on the mother’s body than do typically smaller daughters, and this may actually lead to a shorter life for the mother,” reads one line from an recent LA Times article detailing the study originally published in the journal Science. Mothers of girls will be pleased, (or relieved rather?) that the study also deduced that, “Daughters nurtured to adulthood helped prolong mothers’ lives.” But read on to learn why this data, while fascinating, is too narrowly focused and correlational to cause any valid concern.
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