“…Intrafamilial aggression and peer bullying in childhood are recognized as major social issues worldwide, conferring considerable risk for life-course mental health problems. 1 , 2 , 3 A growing number of studies 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 have established a robust association between earlier-life exposure to adverse experience (eg, parental physical maltreatment, sibling aggression, or peer bullying) and later-life psychological outcomes, such as anxiety, depression, self-harm, and attempt or completion of suicide. Although our knowledge of the consequences of adverse experiences is primarily based on studies performed in highly industrialized countries with societies considered to be individualistic, such as North America, Europe, and Australia, similar associations began to be found in more collectivistic or Confucian cultures, such as China, where harsh parenting (eg, “spare the rod and spoil the child”) and sibling hierarchical relationships (eg, older siblings get greater respect, but also take on the responsibility of providing care for younger siblings) are standard.…”