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This retrospective study compared frequencies of aggressive behaviors and abuse histories noted during a psychiatric intake assessment for children where animal cruelty was endorsed and a control sample of youth for whom animal cruelty was not endorsed to determine if rates of concerning behaviors differed significantly. Relative to the control group, the cruelty group was significantly more likely to have had problems with peers, perpetrated bullying, experienced sexual abuse, and have a history of sexually acting out. Recommendations for childhood animal cruelty screening in mental health settings are discussed.

Drew H Barzman1, Avni Patel2, Loretta Sonnier1, Jeffrey R Strawn31Division of Child and Adolescent Psychiatry, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA; 2Miami University, Oxford, OH, USA; 3Department of Psychiatry, University of Cincinnati, College of Medicine, Cincinnati, OH, USAAbstract: Pediatric aggression is common in human societies, mainly presenting as impulsive aggression or predatory aggression. Numerous psychiatric disorders can contain aggression as a symptom, leading to difficulties in diagnosis and treatment. This review focuses on the biological systems that affect pediatric aggression. We review the hypothalamic–pituitary–adrenal (HPA) axis, the hypothalamic–pituitary–gonadal (HPG) axis, and the mechanisms by which these axes influence the body and mind of aggressive children and adolescents. Although this review focuses on the HPA and HPG axes, it is important to note that other biological systems have relationships with these two axes. Based on the results of the studies reviewed, elevated cortisol concentrations were associated with impulsive aggression, whereas, low levels of cortisol were associated with callous-unemotional traits similar to predatory aggression. Higher levels of dehydroepiandrosterone were correlated with higher levels of aggression as were higher levels of testosterone. However, there have been discrepancies in the results between various studies, indicating the need for more research on hormonal levels and pediatric aggression. In the future, hormonal levels may be useful in determining what treatments will work best for certain pediatric patients.Keywords: youth, cortisol, adrenocorticotropin-releasing hormone, corticotropin-releasing hormone, HPA axis, HPG axis