BURKE HARRIS: So I had all of these patients who had these symptoms of ADHD, asthma, eczema, you know, skin rashes - right? - but who also had severe histories of adversity, you know, violence in the community, violence at home, parents who are either mentally ill or substance dependent or incarcerated. What I observed, and I started to notice this pattern, was that my patients who had the worst symptoms were also the ones who had the worst histories of adversity.