https://www.theconstellationsgroup.com/articles/the-inheritance-within.html
מתוך המאמר:
Researchers in the field of epigenetics are now suggesting that our
cells may transmit the impact of traumas experienced by relatives and ancestors down through the generations. While it's long been considered a scientific given that our DNA is a stable genetic code, epigenetics researchers study what happens to our genes over the course of our lives. They shine a light on the factors that can influence the instructions cells receive to turn certain genes on and off: factors like poverty or pregnancy, diet, drugs, sleep habits, and stress—as well as big emotional and physiological traumas. But how is it possible to pass a lived trauma down biologically? Rachel Yehuda, professor of psychiatry and neuroscience at Mt. Sinai School of Medicine in New York, is one of the first to try to find an answer.The daughter of a rabbi, Yehuda had been looking into biological markers for PTSD in veterans in New York, and when she became interested in furthering her evidence, she set out for a neighborhood of Holocaust survivors in Cleveland, Ohio, where she'd grown up. After finding enough survivors in this neighborhood who showed the same markers, she created a new investigative and therapeutic clinic back at Mt. Sinai expressly for Holocaust survivors. But it wasn't just the survivors who called her for treatment: their kids, who had their own trauma symptoms, reached out too. She evaluated them and discovered that they were three times as likely to meet the criteria for PTSD than those in their community whose parents hadn't been through the Holocaust.The therapy field has long had its own ideas about how parental stress gets passed down as children live it and feel it in their homes. But when Yehuda did research with mothers who'd been pregnant during 9/11, she found that if the mothers' traumas had resulted in PTSD, then a susceptibility was passed along to their children. In 2015, she published a study noting, in her sample of Holocaust-survivor mothers and their children, a cortisol pattern in both that she'd already associated with PTSD. She also identified an epigenetic tag that lead her to conclude that the propensity for PTSD could be biologically inherited
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