Sins of the Grandfathers - Newsweek - Sharon Begley - 0 views
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the life experiences of grandparents and even great-grandparents alter their eggs and sperm so indelibly that the change is passed on to their children, grandchildren, and beyond. It’s called transgenerational epigenetic inheritance
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the phenomenon in which something in the environment alters the health not only of the individual exposed to it, but also of that individual’s descendants.
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Other labs, too, are finding that experiences—everything from a lab animal being exposed to a toxic chemical to a person smoking, being malnourished in childhood, or overeating—leaves an imprint on eggs or sperm, an imprint so tenacious that it affects not only those individuals’ children but their grandchildren as well.
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