 both good and bad by the way they're not we we tend to focus on the negative right but all of our genes have an effect not just the negative i was telling that story about being fearful of losing my kids but of course i also inherited very many positive genes from that woman like her courage and i go on in the book to explain it so epigenetics is like really the idea of everything we do in our life is a choice and all those choices like how we take care of ourselves how we eat