How Childhood Trauma May Impact Adults

November 23, 2025 Elsa Orlandini

Childhood is often portrayed as a time of innocence and carefree joy, but for millions of people, it is marked by experiences that leave deep, lasting scars. Childhood trauma – whether from abuse, neglect, household dysfunction, or the loss of a caregiver – doesn’t simply fade with age. Research consistently shows that these early adverse experiences can reshape the brain, nervous system, and even physical health well into adulthood.

How Childhood Trauma May Impact Adults

Common Forms of Childhood Trauma

The landmark Adverse Childhood Experiences (ACE) Study by Felitti00017-8/fulltext) and colleagues (1998) identified ten major categories:

Physical, emotional, or sexual abuse
Physical or emotional neglect
Household mental illness, substance abuse, domestic violence, parental separation/divorce, or an incarcerated family member

The higher the ACE score (0 – 10), the greater the risk for a wide range of negative outcomes in adulthood.

Long-Term Effects on Mental and Physical Health

1. Mental Health Disorders

Adults with high ACE scores are significantly more likely to develop: Depression (4.5× risk) Anxiety disorders Post-Traumatic Stress Disorder (PTSD) or Complex PTSD Substance use disorders (up to 10× risk for alcoholism or drug use) Suicide attempts (up to 12× risk)

1. Interpersonal and Relationship Difficulties

Difficulty trusting others Fear of abandonment or engulfment Repeating dysfunctional family patterns (e.g., choosing abusive partners) Challenges with emotional intimacy or setting boundaries

1. Emotional Regulation Problems

Heightened reactivity (“triggers”) Chronic feelings of shame, worthlessness, or emptiness Dissociation or emotional numbness Perfectionism or people-pleasing as coping strategies

1. Physical Health Consequences

Childhood trauma is linked to: Chronic pain conditions (fibromyalgia, migraines) Autoimmune diseases Heart disease, obesity, and diabetes Reduced life expectancy (up to 20 years with 6+ ACEs)

1. Brain and Nervous System Changes

Prolonged stress in childhood can: Shrink the hippocampus (memory and emotion regulation) Over-activate the amygdala (fear center) Dysregulate the HPA axis, leading to chronic cortisol imbalances

Could Unresolved Childhood Trauma Be Affecting You Today?

Check any statements that feel true for you most of the time:

□ I often feel like I don’t deserve good things
□ I have intense reactions that seem disproportionate to the situation
□ I struggle to feel close to people even when I want to
□ I frequently feel numb, empty, or “disconnected” from my body
□ I find myself in relationships that feel familiar but unhealthy
□ I use food, alcohol, work, sex, or other behaviors to cope with painful feelings
□ I have chronic unexplained physical symptoms (headaches, GI issues, pain)
□ Trusting others feels dangerous or impossible
□ I feel overwhelming shame or self-hatred when I make mistakes
□ I was told (or it was implied) as a child that my feelings didn’t matter

If you’ve checked several items, it may be worth exploring how early experiences continue to influence your life today.

The Good News: Healing Is Possible

The brain retains neuroplasticity throughout life. Evidence-based treatments that are particularly effective for childhood trauma include:

Trauma-Focused Cognitive Behavioral Therapy (TF-CBT)
Eye Movement Desensitization and Reprocessing (EMDR)
Internal Family Systems (IFS) therapy
Somatic Experiencing and other body-based approaches
Dialectical Behavior Therapy (DBT) for emotion regulation

Many people experience profound relief and improved relationships once they begin processing old wounds in a safe therapeutic environment.

Ready to Start Healing?

You don’t have to carry the weight of the past alone. Our team at Miami Psychology Group specializes in helping adults understand and heal from childhood trauma using integrative, evidence-based approaches and therapy.

If you’re ready to feel safer in your body, more connected in your relationships, and more at peace with yourself, reach out for a consultation.

You deserved to be protected and cherished as a child.
It’s never too late to give that care to yourself now.

Sources & Further Reading

1. Felitti, V. J., et al. (1998). Relationship of childhood abuse and household dysfunction to many of the leading causes of death in adults – American Journal of Preventive Medicine.
2. Van der Kolk, B. (2014). The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma.
3. Centers for Disease Control and Prevention – ACE Study: https://www.cdc.gov/violenceprevention/aces/index.html
4. Anda, R. F., et al. (2006). The enduring effects of abuse and related adverse experiences in childhood. European Archives of Psychiatry and Clinical Neuroscience.
5. National Child Traumatic Stress Network – Effects of Complex Trauma: https://www.nctsn.org