mental health9 min readJuly 23, 2026

Adverse Childhood Experiences (ACEs) and Addiction Risk: Why Childhood Trauma Often Shows Up as Substance Use in Adulthood (and What Treatment Looks Like in Knoxville)

Learn how ACEs and addiction treatment connect childhood trauma, toxic stress, substance use, and trauma-informed care for adults seeking lasting recovery now.

NH

New Hope Health

Editorial Team

Adverse Childhood Experiences (ACEs) and Addiction Risk: Why Childhood Trauma Often Shows Up as Substance Use in Adulthood (and What Treatment Looks Like in Knoxville)

Adverse childhood experiences (ACEs) can raise the risk of substance use disorders in adulthood, so effective ACEs and addiction treatment often addresses both childhood trauma and addiction.

ACEs can shape:

  • Stress responses
  • Relationships
  • Mental health outcomes
  • Physical health outcomes
  • Long-term well-being

Research from public health agencies shows that early assessment, protective factors, and trauma-informed care can reduce the risk of substance use and improve recovery outcomes.

This guide explains how childhood trauma, toxic stress, and adverse experiences affect brain development, cravings, relapse risk, and co-occurring mental health conditions. It also explores trauma-informed treatment, therapy, coping skills, insurance coverage, and recovery options available in Knoxville.

What Are Adverse Childhood Experiences and How Do They Affect Adult Health?

Adverse childhood experiences (ACEs) are potentially traumatic events that occur before age 18.

Examples include:

  • Physical abuse
  • Emotional abuse
  • Sexual abuse
  • Physical neglect
  • Emotional neglect
  • Household substance use
  • Domestic violence
  • Mental illness in the home
  • Incarceration of a family member
  • Parental separation or divorce

These experiences can affect:

  • Brain development
  • Stress responses
  • Emotional regulation
  • Physical health
  • Mental health

As the number of ACEs increases, so does the risk for:

  • Substance use disorders
  • Anxiety
  • Depression
  • Chronic disease
  • Addiction
  • Poor long-term health outcomes

Early intervention, healthy relationships, and effective treatment can improve long-term outcomes.

Common Types of ACEs Linked to Addiction Risk

Physical, Emotional, or Sexual Abuse

Abuse may increase the risk of:

  • Trauma symptoms
  • Substance misuse
  • Addiction
  • Overdose

Physical or Emotional Neglect

Neglect may affect:

  • Self-worth
  • Trust
  • Emotional development
  • Healthy coping skills

Household Substance Use

Growing up with addiction can:

  • Normalize alcohol or drug use
  • Create instability
  • Increase future addiction risk

Domestic Violence

Witnessing violence may increase:

  • Anxiety
  • Fear
  • Emotional distress
  • Future substance use

Household Mental Illness

Untreated mental illness within the home can expose children to chronic stress and emotional instability.

Parental Separation or Incarceration

Family disruption can contribute to:

  • Emotional distress
  • Loss of stability
  • Relationship challenges
  • Increased addiction risk

How Childhood Trauma Changes Brain Development and Stress Responses

Childhood trauma can affect areas of the brain responsible for:

  • Decision-making
  • Emotional regulation
  • Memory
  • Impulse control

Repeated exposure to stress may:

  • Increase cortisol levels
  • Overactivate the body's stress response
  • Heighten sensitivity to fear and anxiety

These biological changes may make it harder to cope with stress in healthy ways.

As a result, some people turn to substances such as:

  • Alcohol
  • Opioids
  • Methamphetamine
  • Cocaine
  • Marijuana
  • Prescription medications

Substances may temporarily reduce emotional pain but often increase long-term addiction risk.

How Toxic Stress Can Lead to Alcohol and Drug Use in Adulthood

Toxic stress occurs when children experience prolonged adversity without consistent support from safe, caring adults.

Over time, chronic stress can affect:

  • Brain development
  • Emotional regulation
  • The body's stress response
  • Coping abilities

Adults with untreated childhood trauma may use:

  • Alcohol
  • Opioids
  • Benzodiazepines
  • Stimulants
  • Marijuana
  • Other substances

Common reasons include:

  • Numbing emotional pain
  • Reducing anxiety
  • Improving sleep
  • Escaping traumatic memories

Although substances may provide temporary relief, they often worsen:

  • Mental health symptoms
  • Dependence
  • Overdose risk
  • Relapse risk

How ACE Scores Relate to Addiction, Overdose, and Relapse Risk

An ACE score measures categories of adversity experienced before age 18.

Higher ACE scores are associated with increased risks for:

  • Alcohol use disorder
  • Opioid use disorder
  • Methamphetamine addiction
  • Cocaine addiction
  • Prescription drug misuse
  • Polysubstance use
  • Earlier substance use
  • Injection drug use
  • Relapse
  • Overdose

An ACE score is a risk factor—not a diagnosis.

Many people with addiction have few or no ACEs, while others with multiple ACEs never develop substance use disorders.

How Childhood Abuse, Neglect, and Household Dysfunction Affect Addiction Risk

Children raised in unsafe or unpredictable environments often struggle with:

  • Trust
  • Emotional regulation
  • Healthy relationships
  • Coping skills

Without healthy support systems, some individuals begin using alcohol or drugs during adolescence or adulthood to manage:

  • Emotional pain
  • Anxiety
  • Depression
  • Trauma symptoms

Trauma-informed treatment can reduce these long-term risks.

How Parental Substance Use and Family Instability Affect Children

Children living with a parent who has a substance use disorder may experience:

  • Inconsistent caregiving
  • Emotional neglect
  • Financial instability
  • Family conflict
  • Unsafe environments

These experiences may affect:

  • Emotional development
  • School performance
  • Relationships
  • Long-term mental health

Parental substance use also increases addiction risk through:

  • Genetics
  • Environmental stress
  • Learned behaviors

Early support and stable relationships can reduce these risks.

Signs That Childhood Trauma May Be Contributing to Substance Use

Warning signs may include:

  • Using substances to numb emotional pain
  • Strong reactions to trauma reminders
  • Anxiety
  • Depression
  • Mood swings
  • Nightmares
  • Flashbacks
  • Poor sleep
  • Difficulty trusting others
  • Repeated relapse
  • Shame
  • Guilt
  • Low self-worth
  • Using multiple substances to cope

How Trauma Triggers Increase Cravings and Relapse Risk

Trauma triggers are reminders of past experiences that activate emotional or physical stress responses.

Common triggers include:

  • Certain people
  • Specific places
  • Smells
  • Anniversaries
  • Relationship conflict
  • Stressful life events

When triggered, the brain may seek relief through substances that previously reduced emotional distress.

Without healthy coping skills and trauma-focused therapy, these triggers can increase:

  • Cravings
  • Relapse risk
  • Substance use

Prevalence of ACEs and Substance Use Disorders in Tennessee and the United States

Adverse childhood experiences are common throughout the United States.

Many adults report experiencing at least one ACE.

Tennessee also experiences high rates of:

  • Childhood adversity
  • Substance use disorders
  • Opioid-related harm

These trends highlight the importance of trauma-informed care.

Effects and Risks of Trauma-Related Substance Use

Short-Term Effects

  • Impaired judgment
  • Anxiety
  • Panic
  • Accidents
  • Injuries
  • Overdose
  • Sleep problems
  • Memory problems
  • Family conflict
  • Work problems

Long-Term Effects

  • Substance dependence
  • PTSD
  • Depression
  • Anxiety disorders
  • Heart disease
  • Liver disease
  • Lung disease
  • Repeated relapse
  • Relationship problems
  • Financial hardship
  • Fatal overdose

Co-Occurring PTSD, Anxiety, Depression, ADHD, Bipolar Disorder, and Addiction

Many people with ACEs also experience:

  • PTSD
  • Anxiety disorders
  • Depression
  • ADHD
  • Bipolar disorder

Symptoms may include:

  • Flashbacks
  • Nightmares
  • Hypervigilance
  • Panic attacks
  • Hopelessness
  • Poor concentration
  • Mood swings

These conditions often increase:

  • Cravings
  • Relapse risk
  • Treatment challenges

Integrated treatment addresses addiction and mental health conditions together.

The Connection Between ACEs, Substance Misuse, Self-Harm, and Suicide Risk

Adults with ACEs may use substances to cope with:

  • Anxiety
  • Emotional pain
  • Traumatic memories
  • Sleep problems
  • Low self-esteem

Repeated substance use may lead to:

  • Tolerance
  • Dependence
  • Polysubstance use
  • Overdose
  • Worsening depression
  • PTSD
  • Anxiety

Multiple ACEs are also associated with increased risks for:

  • Self-harm
  • Suicidal thoughts
  • Suicide attempts

Intoxication and withdrawal may further increase impulsivity and emotional distress.

Why Trauma and Addiction Should Be Treated at the Same Time

Treating addiction without addressing trauma often leaves the underlying triggers unchanged.

Trauma-informed treatment helps people:

  • Manage emotional distress
  • Reduce cravings
  • Improve emotional regulation
  • Build healthier coping skills
  • Lower relapse risk

Integrated care often produces better long-term outcomes.

Benefits of ACEs Screening and Trauma-Informed Care

Identifies Trauma History

Screening helps providers understand experiences that affect recovery.

Reduces Shame

Trauma-informed care recognizes substance use as a coping response rather than a personal failure.

Improves Safety

Providers avoid practices that may trigger traumatic memories.

Supports Individualized Treatment Planning

Care plans can address:

  • Addiction
  • Mental health
  • Relationships
  • Trauma
  • Relapse prevention

Builds Trust

Clear communication and patient choice improve engagement.

Improves Recovery Outcomes

Addressing trauma may reduce:

  • Cravings
  • Relapse
  • Treatment dropout

How Therapy, Medication-Assisted Treatment, Family Support, and Different Levels of Care Support Recovery

Recovery may include:

  • Individual therapy
  • Group therapy
  • Medication-assisted treatment
  • Family therapy
  • Residential treatment
  • Intensive Outpatient Programs (IOP)
  • Outpatient treatment
  • Peer support

These services help people:

  • Process trauma
  • Build coping skills
  • Improve communication
  • Reduce cravings
  • Strengthen recovery

How Healthy Coping Skills and Relapse Prevention Plans Address Trauma Triggers

Healthy coping skills may include:

  • Grounding exercises
  • Physical activity
  • Healthy sleep routines
  • Journaling
  • Meditation
  • Deep breathing
  • Reaching out for support

Relapse prevention plans often identify:

  • Triggers
  • Warning signs
  • Coping strategies
  • Emergency contacts
  • Recovery supports

Planning ahead helps reduce relapse risk.

When to Seek Help

Professional treatment may be needed when substance use causes:

  • Withdrawal
  • Overdose
  • Repeated relapse
  • Relationship problems
  • Employment difficulties
  • Worsening mental health symptoms

Immediate support is necessary when someone experiences:

  • Suicidal thoughts
  • Self-harm
  • Psychosis
  • Inability to stop using safely

Trauma-Informed Addiction Treatment Options

Residential Treatment

Provides:

  • Live-in care
  • Daily structure
  • Medical support
  • Therapy

Intensive Outpatient Treatment

Offers:

  • Frequent therapy
  • Structured recovery
  • Flexibility to remain at home

Outpatient Treatment

Provides:

  • Counseling
  • Medication management
  • Ongoing recovery support

Individual and Group Therapy

Helps address:

  • Trauma
  • Substance use
  • Coping skills
  • Emotional regulation

Medication-Assisted Treatment

May reduce:

  • Cravings
  • Withdrawal symptoms
  • Relapse risk

Family and Peer Support

Strengthens:

  • Relationships
  • Accountability
  • Long-term recovery

Does Insurance Cover Treatment?

Many insurance plans cover medically necessary:

  • Addiction treatment
  • Mental health services
  • Therapy
  • Medication management
  • Residential treatment
  • Intensive outpatient treatment
  • Outpatient care

Coverage depends on:

  • Insurance plan
  • Provider network
  • Diagnosis
  • Prior authorization requirements
  • Recommended level of care

Benefits should be verified before beginning treatment.

Conclusion

Adverse childhood experiences do not determine a person's future, but they can increase the risk of addiction, mental illness, chronic disease, and poor health outcomes.

Research continues to improve our understanding of how childhood adversity influences substance use and long-term recovery.

Trauma-informed care reduces stigma, addresses the effects of childhood adversity, and helps people build healthier coping skills that support lasting recovery.

Seeking Treatment? We Can Help!

At New Hope Healthcare, we are an in-network provider and work with many insurance plans, including:

  • TRICARE
  • Magellan Health
  • First Health Network
  • Cigna
  • Anthem Blue Cross Blue Shield
  • Aetna
  • Humana
  • TriWest VA
  • UnitedHealthcare
  • Optum
  • UMR
  • Oscar
  • Celtic Insurance
  • Ambetter
  • And more

If you or a loved one is struggling with mental health challenges or substance abuse, seeking treatment and emotional support is important.

Consulting a doctor or treatment professional can provide the support and guidance needed to choose an appropriate level of care.

Reach out to New Hope Healthcare today. Our team of compassionate professionals is here to support your journey toward lasting well-being.

Effective medication management can be an important part of the treatment process and may help improve safety and long-term success.

Call us at 866-799-0806.

FAQs

What Is the Connection Between ACEs and Addiction?

Adverse childhood experiences can cause toxic stress, emotional distress, and unhealthy coping patterns that increase the likelihood of substance use disorders later in life.

Can Childhood Trauma Be Treated During Addiction Recovery?

Yes. Trauma-informed addiction treatment addresses childhood trauma and substance use through therapy, medication-assisted treatment, peer support, family therapy, and relapse prevention.

Does a High ACE Score Mean Someone Will Develop an Addiction?

No. A high ACE score increases risk but does not guarantee addiction. Protective relationships, healthy coping skills, and early treatment can significantly improve long-term outcomes.

People Also Ask

How Does Childhood Trauma Lead to Substance Abuse?

Some adults use alcohol or drugs to manage anxiety, painful memories, sleep problems, or emotional distress related to childhood trauma.

What Mental Health Conditions Often Occur With ACEs and Addiction?

PTSD, anxiety, depression, ADHD, and bipolar disorder commonly occur alongside substance use disorders and may affect recovery.

What Does Trauma-Informed Addiction Treatment Include?

Treatment may include individual therapy, group therapy, medication-assisted treatment, family support, peer support, residential treatment, outpatient care, and relapse prevention planning.

Sources

  • Centers for Disease Control and Prevention (CDC): Adverse Childhood Experiences (ACEs)
  • Substance Abuse and Mental Health Services Administration (SAMHSA): Trauma and Violence
  • National Institute on Drug Abuse (NIDA): The Science of Addiction
  • National Child Traumatic Stress Network: Effects of Complex Trauma
  • NIH PubMed Central: Adverse Childhood Experiences and Health Research

About the Author

New Hope Health

New Hope Health

Editorial Team

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