When they looked at patients with high ACE scores (7 or more) who didn’t smoke, didn’t drink to excess, and weren’t overweight, they found that their risk of ischemic heart disease (the single most common cause of death in the United States) was still 360 percent higher than those with an ACE score of 0. The adversity these patients had experienced in childhood was making them sick through a pathway that had nothing to do with behavior.