Summary: An analysis of user posts from the Reddit r/selfharm forum found people who self-harm describe their activities as an “addiction”, marked with characteristic cravings and an escalation in severity or tolerance.
A large majority of individuals who reported and discussed non-suicidal self-injury on the social media platform Reddit described their experience in terms similar to those used to diagnose substance use disorder, according to researchers at the National Institutes of Health, who analyzed more than 350,000 posts and comments.
People who posted on a forum dedicated to discussion of self-harm, called r/selfharm, from 2010 to 2019 often directly referred to their self-injuring activities as an “addiction,” citing cravings and escalating severity or tolerance, and regularly used terms employed by people recovering from substance use disorders, such as getting “clean” or “relapsing.”
The study, published in Journal of Behavioral Addictions, was conducted by scientists at the National Institute on Drug Abuse (NIDA), part of NIH.
The findings also suggest that clinicians may better support people living with non-suicidal self-injury by adopting strategies used to diagnose and treat substance use disorders. Substance use disorders are diagnosed using evidence-based criteria described in the Diagnostic and Statistical Manual of Mental Disorders, now in its fifth edition (DSM-5).
“Non-suicidal self-injury is often private and hidden, and like substance use disorders, is highly stigmatized and can lead to significant harm if left undiagnosed and untreated,” said NIDA Director Nora Volkow, M.D.
“Though this study alone does not demonstrate that self-injury can necessarily be classified as an addiction, learning more about the addictive-like behaviors of self-harm will be crucial to improve our understanding and treatment of this condition.”
Approximately 17% of adolescents, 13% of young adults, and 6% of adults report a lifetime history of non-suicidal self-injury, or the deliberate harming of one’s body tissue without intending to die. However, not enough is known about the drivers and clinical features of self-harming behavior, and there is no standard therapy approach for the condition. In the DSM-5, non-suicidal self-injury is identified as a condition for future study.
Like substance use disorders, the motivations underlying non-suicidal self-injury are diverse but often include a desire to relieve or cope with feelings of depression, anxiety, stress, and other mental health conditions. Though addictive features have been associated with severity of non-suicidal self-injury, there is debate over the extent to which self-injury and substance use disorders are similar experientially.
To explore this concept further, the research team led by the NIDA Intramural Research Program explored the language that people use to talk about self-harm on Reddit, a social network of online discussion communities organized into hundreds of thousands of “subreddits,” or forums dedicated to specific topics.
The investigators sifted through a dataset of 69,380 original posts and 290,524 comments from 38,484 Reddit users on the r/selfharm subforum, which describes itself as “a subreddit for self-harmers to relate to each other, ask questions, and build up a community,” spanning from its creation in March 2010 to December 2019.
From this dataset, the investigators analyzed posts from 500 random Reddit users who each had left at least 10 posts and comments with a total of at least 2,000 words on the subreddit. The researchers then adapted a set of 11 diagnostic criteria from the DSM-5 used to diagnose substance use disorders to the posts about non-suicidal self-injury, to examine these posts for language indicating symptoms and features of addiction.
A diagnosis of substance use disorder is made when at least two DSM-5 criteria are met. In this study, 77% of the individuals met at least two of the adapted DSM-5 substance use disorder criteria, as indicated by their posts. The most frequently observed criteria were urges or cravings (68%) and escalating severity or tolerance of self-harming activities (47%).
In general, individuals whose self-harming behavior took on addictive features were more likely to disclose a psychiatric disorder – such as depression, anxiety, or an eating disorder – in their posts, used a greater range of methods for self-injury, and engaged in more frequent and hazardous self-injury activities (those that required medical attention). However, reporting addiction-like self-harming behavior was not associated with suicidality.
Individuals on the forum also frequently used language and concepts common in substance use disorder recovery parlance, such as “getting clean,” “relapse,” or “recovery.”
“In recent years, social media has served as a window into subjective experiences of stigmatized populations on a large scale and can provide insight into the daily language used among people when they’re within a relative safe space with others who share similar experiences,” said Brenda Curtis, Ph.D., MsPH, senior author on the study and chief of NIDA’s Technology and Translational Research Unit in the NIDA Translational Addiction Medicine Branch.
“Our findings here suggest that addiction language may feel familiar and comfortable for patients who self-harm. We must listen and learn from these lived experiences.”
The researchers stress that their findings do not establish non-suicidal self-harm as an addiction. Future studies are needed to investigate potential similarities between addiction and non-suicidal self-harm, including those that involve direct engagement with this population and the collection of demographic information.
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Getting “clean” from nonsuicidal self-injury: Addiction language and experiences on the subreddit r/selfharm
Background & Aims
Previous studies have shown that nonsuicidal self-injury (NSSI) has addictive features, and an addiction model of NSSI has been considered. Addictive features have been associated with severity of NSSI and adverse psychological experiences. Yet, there is debate over the extent to which NSSI and substance use disorders (SUDs) are similar experientially.
To evaluate the extent that people who self-injure experience NSSI like an addiction, we coded the posts of users of the subreddit r/selfharm (n = 500) for each of 11 DSM-5 SUD criteria adapted to NSSI.
A majority (76.8%) of users endorsed at least two adapted SUD criteria in their posts, indicative of mild, moderate, or severe addiction. The most frequently endorsed criteria were urges or cravings (67.6%), escalating severity or tolerance (46.7%), and NSSI that is particularly hazardous. User-level addictive features positively predicted number of methods used for NSSI, number of psychiatric disorders, and particularly hazardous NSSI, but not suicidality. We also observed frequent use of language and concepts common in SUD recovery circles like Alcoholics Anonymous.
Discussion & Conclusion
Our findings support previous work describing the addiction potential of NSSI and associating addictive features with clinical severity. These results suggest that NSSI and SUD may share experiential similarities, which has implications for the treatment of NSSI. We also contribute to a growing body of work that uses social media as a window into the subjective experiences of stigmatized populations.