Read about the ACES (Adverse Childhood Experiences) study from this Reuters website-- http://mouth.pathfinder.com/news/latest/RB/1998May14/1016.html Dr. Filetti is in San Diego, but the more research experienced speaker among the authors is Dr. Rob Anda, an epidemiolgist at CDC. If this is what you are interested in, call Rob. He's a great speaker! 770-488-5511.