CNN New Day With Alisyn Camerota and John Berman November 29, 2019 12:51:00
>> he had his suspicions but he'd made peace with it. that's such a powerful moment in the book because it says so bch the real nature of love. it's not necessarily about the biology. love is a verb. it's how we act. but the biology plays such a key part in your story as well because a lot of it is about the inherited trauma that comes from, in this case, your grandparents surviving the holocaust and how that's expressed in your mother. you write about an emerging science that says trauma can be passed on genetically. >> it's the emerging science called epigenetics. it's subject to external fa...