We all owe it to one another to stop bullying when we encounter it. It’s not just a matter of a child being mistreated—peer victimization actually changes the biology of the brain. It disrupts the development of the stress regulation system and related neurocircuitry, leading to a host of problems, from physical and mental illness to difficulties with social relationships and academic challenges. And these effects persist well into adulthood, contributing to problems with employment, relationships, and overall quality of life. Bullying isn’t just something that happens in playgrounds or on
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