The effects of bullying can be both short-term and long-term. Bullying impacts the target, the bully and the bystanders.

• Short-term effects for targets; lower self-esteem, depression, illness, absenteeism
• Long-term effects for targets; severe depression, suicidal ideation, self-destructive behavior, suicide
• Bullies escalate aggression in adolescence and adulthood.

(In Olweus study, bullies were 4 times as likely to have 3 or more convictions by age 24)