A couple of years, there was another article on how holocaust survivors passed their stress 'genes' to their progeny. https://www.theguardian.com/science/2015/

A couple of years, there was another article on how holocaust survivors passed their stress 'genes' to their progeny. https://www.theguardian.com/science/2015/aug/21/study-of-holocaust-survivors-finds-trauma-passed-on-to-childrens-genes https://www.theguardian.com/science/2015/aug/21/study-of-hol... Then, some doubts about it: https://www.haaretz.com/science-and-health/.premium-doubts-arising-about-claimed-epigenetics-of-holocaust-trauma-1.5466710 https://www.haaretz.com/science-and-health/.premium-doubts-a...