he was referring to the famous DNA research, mentioned in this Israeli newspaper:
Scientists Discover Gene That Predisposes Ashkenazi Jews to Schizophrenia
Variations of the DNST3 gene make Ashkenazi Jews 40 percent more likely to develop schizophrenia and similar diseases.
alt Hacker News
he was referring to the famous DNA research, mentioned in this Israeli newspaper:
https://www.haaretz.com/2013-11-26/ty-article/.premium/ashke...