Bullying is unwanted, aggressive behavior among school aged children that involves a real or perceived power imbalance. The behavior is repeated, or has the potential to be repeated, over time. Both kids who are bullied and who bully others may have serious, lasting problems.
Bullying & Substance Use Fact Sheet (sumn.org-2014)
Bullying and Substance Use in Children and Adolescents (Addiction Research & Therapy-2013)
A Framework for School-Wide Bullying Prevention and Safety (National Association of School Psychologists-2012)
Welcoming Students (Human Rights Campaign)
Teaching Tolerance (Southern Poverty Law Center)