Using traumatic childhood experiences to understand substance use

Some people are more likely to develop substance use disorders than others.

Medical University of South Carolina researchers wondered whether adverse childhood experiences (ACEs), such as abuse or neglect, could be one reason why.

They asked men and women participating in substance use research to complete an ACE questionnaire and to provide details on their use of four substances: tobacco, alcohol, cocaine, and opioids.

“Substance use disorders don’t occur in a vacuum. The use of more highly stigmatized drugs may be associated with worse childhoods.”
— Dr. Erin Martin

The MUSC study was funded by the National Institute on Drug Abuse and led by Aimee McRae-Clark, Pharm.D, professor of Psychiatry and Neuroscience, and neuroscience doctoral candidate Erin Martin. They reported their findings in the American Journal of Drug and Alcohol Abuse.

Participants with a history of a diverse array of ACEs were more likely to develop some kind of substance use disorder and to relapse after treatment. Women, who reported more frequent and varied ACEs, were more likely to use drugs such as cocaine or opioids.

“People with more ACEs are more likely to present with SUD and have a negative treatment experience,” said Martin.

What are ACEs?

ACEs are traumatic events that occur during childhood, such as witnessing violence, being abused or neglected, or experiencing household dysfunction.

According to the Centers for Disease Control and Prevention, people with ACEs have a higher potential for not only poorer mental and physical health but also worse educational experiences, employment opportunities, and socio-economic statuses. The more ACEs people experience, the higher their risk for problems in adulthood. This includes SUD.

“SUDs don’t occur in a vacuum,” said Martin. “The use of more highly stigmatized drugs may be associated with worse childhoods.”

Experience matters

Martin and McRae-Clark found that people who experience more kinds of ACEs were more likely to use drugs such as cocaine or opioids.

People with opioid use disorder were more likely to have experienced household dysfunction, such as the incarceration or death by suicide of a parent. However, those with cocaine use disorder were more likely to have experienced emotional or physical abuse.

Users of tobacco and cannabis, however, were not as likely to have had as many ACEs as their cocaine and opioid-using counterparts. Martin and McRae-Clark think this may be due to perceived risk. People with more ACEs are more likely to engage in risk-taking behavior, and cannabis and tobacco may not be perceived as risky.

“Stigma may play a role,” said McRae-Clark.

They also saw differences between men and women. Women reported ACEs more often than men, including reporting ACEs, such as sexual abuse, as many as four times more than men. This greater burden of ACEs could explain why women are more vulnerable to a phenomenon called telescoping, or rapidly progressing from drug use to drug addiction.

Better treatment

Current SUD treatments are tailored to the substance, not to the person, McRae-Clark explained. Treatments that fail to consider all of the necessary information about a person’s SUD can lead to disappointing results.

“Adverse childhood events can inform future treatment directions. Trauma-focused interventions are important.”
— Dr. Aimee McRae-Clark

“There is so much work to be done,” she said. “There is no one-size-fits-all model.”

Martin and McRae-Clark explained that understanding SUDs in greater detail, including the role ACEs played in their development, could allow for more comprehensive, effective, and empathic approaches to treatment and prevention.

“ACEs can inform future treatment directions,” said McRae-Clark. “Trauma-focused interventions are important.”

Reference

Martin EL, Neelon B, Brady KT, Guille C, Baker NL, Ramakrishnan V, Gray KM, Saladin ME, McRae-Clark AL. Differential prevalence of Adverse Childhood Experiences (ACEs) by gender and substance used in individuals with cannabis, cocaine, opioid, and tobacco use disorders. Am J Drug Alcohol Abuse. 2023 Mar 4;49(2):190-198. doi: 10.1080/00952990.2023.2171301. Epub 2023 Mar 7.

SDGs, Targets, and Indicators

1. SDG 3: Good Health and Well-being

   • Target 3.5: Strengthen the prevention and treatment of substance abuse, including narcotic drug abuse and harmful use of alcohol
   • Indicator 3.5.1: Coverage of treatment interventions (pharmacological, psychosocial, and rehabilitation and aftercare services) for substance use disorders

2. SDG 4: Quality Education

   • Target 4.7: By 2030, ensure that all learners acquire the knowledge and skills needed to promote sustainable development, including, among others, through education for sustainable development and sustainable lifestyles, human rights, gender equality, promotion of a culture of peace and non-violence, global citizenship and appreciation of cultural diversity and of culture’s contribution to sustainable development
   • Indicator 4.7.1: Extent to which (i) global citizenship education and (ii) education for sustainable development (including climate change education) are mainstreamed in (a) national education policies; (b) curricula; (c) teacher education; and (d) student assessment

3. SDG 5: Gender Equality

   • Target 5.2: Eliminate all forms of violence against all women and girls in the public and private spheres, including trafficking and sexual and other types of exploitation
   • Indicator 5.2.1: Proportion of ever-partnered women and girls aged 15 years and older subjected to physical, sexual or psychological violence by a current or former intimate partner in the previous 12 months, by form of violence and by age group

4. SDG 10: Reduced Inequalities

   • Target 10.2: By 2030, empower and promote the social, economic and political inclusion of all, irrespective of age, sex, disability, race, ethnicity, origin, religion or economic or other status
   • Indicator 10.2.1: Proportion of people living below 50 percent of median income, by age, sex and persons with disabilities

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Source: web.musc.edu

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