I think we can say the vulnerability runs in families. I think we can say it’s a

I think we can say the vulnerability runs in families. I think we can say it’s a developmental defect. It may be an externality to a genetic disposition, but I haven’t seen any evidence it’s genetically transmitted and if so wouldn’t account for increase in risk with each son. https://twitter.com/WALLABEEDON/status/1220957529196331008