How can bullied children be helped? Being bullied is not an illness or disorder; rather, it is an exposure to which some children are more vulnerable than others. Standard public health approaches to a dangerous exposure are generally grouped into three categories: 1) reduce the areas, places, times, or settings where people might be exposed (primary or universal prevention); 2) increase the resilience of those exposed (secondary or targeted prevention); and 3) reduce the damage caused by the exposure (tertiary or indicated prevention). Progress has been made in the first category, especially through various types of school programs, although the results are patchy (4). Professor Arseneault and colleagues have provided an example of secondary prevention in their elegant study of monozygotic twins concordant for being bullied (3). With genetic (and many environmental) factors held constant, the twin who received more parental warmth had fewer behavioral problems. Tertiary or indicated prevention of mental illness following bullying first of all requires clinicians to ask patients and parents about bullying, intervene if necessary, and treat the anxiety, depression, and sometimes even suicidality that bullying can cause.