Understanding Adverse Childhood Experiences (ACEs)

From childhood trauma to adult health: Uncovering the lifelong connection.

Childhood should ideally be a time of safety and nurture. However, the landmark **ACEs Study** conducted in the 1990s revealed that for many, these years are marked by adversity that fundamentally alters their biological and psychological trajectory.

Research involving over 17,000 participants established a powerful link between childhood trauma and negative health outcomes in adulthood, including chronic disease and mental health challenges.

Defining the Categories

A Framework for Adversity

The original study identified ten categories, but modern practice includes broader trauma such as community violence, discrimination, and systemic poverty. An experience is 'adverse' because it involves a real or perceived threat to a child's safety and integrity.

Maltreatment

Physical, emotional, or sexual abuse; physical or emotional neglect.

Household Dysfunction

Domestic violence, parental separation, or living with members who have mental illness or substance issues.

Biology of Adversity: Toxic Stress

Physiological Activation

Chronic adversity without supportive relationships leads to 'toxic stress'—a persistent state of elevated physiological arousal that disrupts the developing brain and immune systems.

Neurobiological Vulnerability

Toxic stress alters the architecture of regions involved in fear (amygdala), memory (hippocampus), and executive function (prefrontal cortex), creating lasting vulnerabilities in emotional regulation.

The Lifelong Connection

Physical Health

Higher risks of cardiovascular disease, stroke, diabetes, and autoimmune disorders due to prolonged inflammation.

Mental Health

Strong predictors for depression, anxiety, PTSD, and substance use issues tracing back to early coping mechanisms.

Social Stability

Associated with lower educational attainment, reduced income, and difficulties in professional or intimate relationships.

The Dose-Response Relationship

Cumulative risk and intergenerational ACEs

Compounding Risks

As the number of ACEs increases, so does the severity of negative outcomes. An ACE score serves as a metric of this cumulative burden, which can be passed across generations if the cycle is not broken by intervention.

Buffering Adversity

The Power of Resilience

Resilience is not "bouncing back" but a dynamic process buffered by supportive relationships with caring adults, self-regulation skills, and community connection. Trauma-informed care integrates this knowledge to promote healing.

Therapeutic CBT/EMDR

Family Support Plans

Policy & Prevention

Hope and Action

Addressing ACEs requires a collective societal effort to move beyond blame and toward systemic solutions. By investing in prevention and early intervention, we can build healthier, more resilient communities for future generations.

Understand • Prevent • Heal

Written By

Mark Else

My experience ranges from running playgroups for pre-schoolers to managing complex safeguarding caseloads within both mainstream and SEMH provisions. In addition to having worked within the education sector since 2018, I am currently studying for a Level 6 Youth Work degree.

References

Brenas, J.H.S., Shin, E.K. and Shaban-Nejad, A. (2019) “A Semantic Platform for Surveillance of Adverse Childhood Experiences,” Online Journal of Public Health Informatics. University of Illinois Libraries. Available at: https://doi.org/10.5210/ojphi.v11i1.9694.
Hussaini, K.S. et al. (2016) “The Impact of Adverse Childhood Experiences (ACE) on Health-Related Quality of Life, Mental Health, and Hospitalizations in Delaware,” Delaware Journal of Public Health. Delaware Academy of Medicine - Delaware Public Health Association. Available at: https://doi.org/10.32481/djph.2016.12.017.
Campbell, T.L. (2020) “Screening for Adverse Childhood Experiences,” Family Medicine. Society of Teachers of Family Medicine. Available at: https://doi.org/10.22454/fammed.2020.657957.
Pletcher, B.A. et al. (2019) “Adverse Childhood Experiences: A Case-Based Workshop Introducing Medical Students to Trauma-Informed Care,” MedEdPORTAL. Association of American Medical Colleges. Available at: https://doi.org/10.15766/mep_2374-8265.10803.
Witt, A. et al. (2019) “The Prevalence and Consequences of Adverse Childhood Experiences in the German Population,” Deutsches Ärzteblatt international. Deutscher Arzte-Verlag GmbH. Available at: https://doi.org/10.3238/arztebl.2019.0635.
Lee, M.-S., Kim, H.-S. and Bhang, S.-Y. (2020) “Exposure to Adverse Childhood Experiences (ACEs) and Stress among the Community-based Urban Pediatric Population in Korea,” Journal of Korean Medical Science. XMLink. Available at: https://doi.org/10.3346/jkms.2020.35.e421.
Venkatesan, P. and Akindolie, O. (2018) “G73 A survey of uk paediatricians’ awareness and enquiry regarding adverse childhood experiences (aces),” British Association of General Paediatrics and Paediatric Mental Health Association. BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health. Available at: https://doi.org/10.1136/archdischild-2018-rcpch.71.
Purswani, P., Marsicek, S.M. and Amankwah, E.K. (2020) “Association between cumulative exposure to adverse childhood experiences and childhood obesity,” PLOS ONE. Edited by C.-Y. Lin. Public Library of Science (PLoS). Available at: https://doi.org/10.1371/journal.pone.0239940.
Walsh, D. et al. (2019) “Relationship between childhood socioeconomic position and adverse childhood experiences (ACEs): a systematic review,” Journal of Epidemiology and Community Health. BMJ. Available at: https://doi.org/10.1136/jech-2019-212738.
Hughes, M. and Tucker, W. (2018) “Poverty as an Adverse Childhood Experience,” North Carolina Medical Journal. North Carolina Institute of Medicine. Available at: https://doi.org/10.18043/ncm.79.2.124.
Guidetti, C. et al. (2023) “Eye Movement Desensitization and Reprocessing (EMDR) as a Possible Evidence-Based Rehabilitation Treatment Option for a Patient with ADHD and History of Adverse Childhood Experiences: A Case Report Study,” Journal of Personalized Medicine. MDPI AG. Available at: https://doi.org/10.3390/jpm13020200.
Jacob, G. et al. (2018) “Adverse childhood experiences: Basics for the paediatrician,” Paediatrics & Child Health. Oxford University Press (OUP). Available at: https://doi.org/10.1093/pch/pxy043.
Wade, T.J. et al. (2019) “Adverse childhood experiences (ACEs) and cardiovascular development from childhood to early adulthood: study protocol of the Niagara Longitudinal Heart Study,” BMJ Open. BMJ. Available at: https://doi.org/10.1136/bmjopen-2019-030339.
Kimple, K.S. and Kansagra, S.M. (2018) “Responding to Adverse Childhood Experiences,” North Carolina Medical Journal. North Carolina Institute of Medicine. Available at: https://doi.org/10.18043/ncm.79.2.95.
Jimenez, M.E. et al. (2016) “Adverse Experiences in Early Childhood and Kindergarten Outcomes,” Pediatrics. American Academy of Pediatrics (AAP). Available at: https://doi.org/10.1542/peds.2015-1839.
Karatekin, C. (2017) “Adverse Childhood Experiences (ACEs), Stress and Mental Health in College Students,” Stress and Health. Wiley. Available at: https://doi.org/10.1002/smi.2761.
Kosteletos, I., Kollias, K. and Stefanis, N. (2020) “Childhood adverse traumatic experiences and schizophrenia,” Psychiatriki. Hellenic Psychiatric Association. Available at: https://doi.org/10.22365/jpsych.2020.311.23.
Cheong, E.V. et al. (2017) “Adverse childhood experiences (ACEs) and later-life depression: perceived social support as a potential protective factor,” BMJ Open. BMJ. Available at: https://doi.org/10.1136/bmjopen-2016-013228.
Tilson, E.C. (2018) “Adverse Childhood Experiences (ACEs),” North Carolina Medical Journal. North Carolina Institute of Medicine. Available at: https://doi.org/10.18043/ncm.79.3.166.
Sordi, A.O. and Hauck, S. (2015) “Childhood Trauma and Resilience: Vulnerabilities to Develop Crack/Cocaine Dependence,” Journal of Alcoholism & Drug Dependence. OMICS Publishing Group. Available at: https://doi.org/10.4172/2329-6488.1000227.
Heirigs, M.H. (no date) “Psychopathy, adverse childhood experiences, and antisocial behavior.” Iowa State University. Available at: https://doi.org/10.31274/etd-20200624-111.
Larkin, H. and Park, J. (2012) “Adverse Childhood Experiences (ACEs), Service Use, and Service Helpfulness among People Experiencing Homelessness,” Families in Society: The Journal of Contemporary Social Services. SAGE Publications. Available at: https://doi.org/10.1606/1044-3894.4192.
Santaularia, J. et al. (2020) “114 Adverse childhood experiences and adult adversities clusters by gender,” Poster Presentations. BMJ Publishing Group Ltd. Available at: https://doi.org/10.1136/injuryprev-2020-savir.113.
Randell, K.A., O’Malley, D. and Dowd, M.D. (2015) “Association of Parental Adverse Childhood Experiences and Current Child Adversity,” JAMA Pediatrics. American Medical Association (AMA). Available at: https://doi.org/10.1001/jamapediatrics.2015.0269.
Shah, A.N. et al. (2020) “Effect of Parental Adverse Childhood Experiences and Resilience on a Child’s Healthcare Reutilization,” Journal of Hospital Medicine. Wiley. Available at: https://doi.org/10.12788/jhm.3396.
Wolfe, J. et al. (2019) “Adverse Childhood Experiences: Research, Effects, and Tools for Change,” The Hearing Journal. Ovid Technologies (Wolters Kluwer Health). Available at: https://doi.org/10.1097/01.hj.0000582460.24645.02.
Wekerle, C. (2020) “From adverse childhood experiences to wellbeing: Portfolios of resilience,” International Journal of Child and Adolescent Resilience. Canada Research Chair in Interpersonal Traumas and Resilience. Available at: https://doi.org/10.7202/1072586ar.
Hughes, K., Ford, K. and Bellis, M.A. (2018) “PW 1787 Sources of childhood and adult resilience and their impact on harms associated with adverse childhood experiences,” Abstracts. BMJ Publishing Group Ltd. Available at: https://doi.org/10.1136/injuryprevention-2018-safety.304.
Beutel, M.E. et al. (2017) “Childhood adversities and distress - The role of resilience in a representative sample,” PLOS ONE. Edited by C. Schmahl. Public Library of Science (PLoS). Available at: https://doi.org/10.1371/journal.pone.0173826.
Traub, F. and Boynton-Jarrett, R. (2017) “Modifiable Resilience Factors to Childhood Adversity for Clinical Pediatric Practice,” Pediatrics. American Academy of Pediatrics (AAP). Available at: https://doi.org/10.1542/peds.2016-2569.

Understanding Adverse Childhood Experiences (ACEs) and Their Lifelong Effects