The Connection Between Childhood Trauma and Addiction in Adulthood

Trauma and Childhood Addiction

Childhood trauma is a pervasive and serious issue that can have lasting consequences on an individual’s life. It has been well-established in the scientific literature that childhood trauma is a potent risk factor for the development of various psychological disorders and physical health problems in adulthood. One such negative outcome that has been extensively researched is the relationship between childhood trauma and substance abuse and addiction. This article aims to explore the connection between childhood trauma and addiction in adulthood by reviewing relevant research findings and shedding light on potential underlying mechanisms.

Prevalence and Impact of Childhood Trauma

A review of the research findings on childhood trauma reveals alarming statistics. According to a study by the U.S. Department of Health and Human Services, nearly 50% of American children have experienced some form of abuse, maltreatment, or trauma. Specifically, about 20% of children have been physically assaulted, 8.4% have been sexually abused, and 10.6% have been emotionally abused. Additionally, over 13% have been exposed to domestic violence.

These traumatic experiences have a significant impact on a child’s development, causing a multitude of psychological, emotional, and physical health issues. The Adverse Childhood Experiences (ACE) Study, which examined the relationship between childhood maltreatment and later-life health problems, found a strong dose-response relationship between the number of ACEs and the risk of various psychopathologies, including depression, suicide attempts, substance abuse, and addiction.

Childhood Trauma and Addiction: The Research Evidence

Multiple studies have demonstrated the connection between childhood trauma and addiction in adulthood. For example, a comprehensive review of the literature on childhood trauma and substance abuse found that individuals who experienced childhood maltreatment were 1.5 to 3 times more likely to develop substance abuse problems in adulthood. Furthermore, a recent meta-analysis of 41 studies found that childhood trauma increased the risk of addiction to various substances, including alcohol, opioids, cocaine, and cannabis.

Moreover, the severity and frequency of childhood trauma experienced were shown to be positively correlated with the severity of substance use disorders. A study examining the relationship between childhood trauma and alcohol dependence found that individuals with a history of sexual abuse were more likely to have severe dependence on alcohol, as well as an earlier onset of alcohol use and related problems.

Underlying Mechanisms: How Childhood Trauma Leads to Addiction

Despite the clear link between childhood trauma and addiction, the underlying mechanisms that drive this relationship are complex and multifaceted. The following are just a few of the potential explanations:

Do you have a loved one struggling with addiction?

We know how hard that can be. Give us a call to find out what options you have.

Someone is standing by 24/7 to help you

1. Coping Mechanism and Self-Medication

One possible explanation for the link between childhood trauma and addiction is that substance use serves as a coping mechanism for individuals who are trying to manage the psychological and emotional pain associated with their early experiences. This self-medication hypothesis suggests that individuals with a history of trauma may be more likely to use drugs or alcohol as an escape from their emotional distress or as a means of numbing the emotional pain.

2. Dysregulation of Stress and Reward Pathways

Research has shown that childhood trauma can lead to long-lasting neurobiological changes in the brain, particularly in the stress and reward pathways. These changes may predispose individuals to addiction by increasing their sensitivity to stress, impairing their ability to regulate their emotions, and enhancing their responsiveness to the rewarding effects of drugs and alcohol.

3. Relationship Difficulties and Social Isolation

Childhood trauma can also disrupt an individual’s ability to form healthy relationships and social connections, leading to increased feelings of loneliness and social isolation in adulthood. As a result, individuals who have experienced childhood trauma may be more susceptible to addiction because they turn to substances as a way to cope with their social and emotional struggles.


In conclusion, the connection between childhood trauma and addiction in adulthood is complex and multifaceted. While more research is needed to fully understand the underlying mechanisms driving this relationship, it is evident that early traumatic experiences have a significant and long-lasting impact on an individual’s vulnerability to substance abuse and addiction. Public health efforts aimed at preventing and addressing childhood trauma, as well as early intervention and support services for individuals who have experienced trauma, are essential in reducing the likelihood of addiction and promoting overall well-being.

More Information On Our COVID19 Response Plan

Learn more about our programs

learn more

Verify Insurance

At Discover Recovery, we work with a wide variety of health insurance providers so those in need can get access to the treatment they need. That means you (or your loved one) won’t have to worry about covering the cost of treatment. Instead, all of your energy and focus can be spent where it’s really needed, which is on overcoming addiction.

Available to help 24/7

Call Us Today