The Overlap Between Eating Disorders and Addiction: What We Don’t Talk About Enough

If you’ve ever wondered about eating disorders and substance abuse, you’re not alone. Many people assume these are separate struggles, but research tells a different story. In reality, eating disorders and substance use disorders often occur together.[1]

For someone already navigating food struggles, body image concerns, anxiety, or perfectionism, adding substance use into the mix can make recovery feel even more overwhelming. Yet this overlap is more common than many people realize—and understanding it can be an important step toward healing.

Maybe you’ve noticed patterns in yourself or someone you love: using alcohol to quiet anxiety around eating, turning to substances to cope with body image distress, or feeling trapped in cycles of binge eating and substance use that seem to feed off one another. If so, you’re not alone, and you’re not failing. These experiences are more common than many people realize.

 

Why Are Eating Disorders and Addiction So Closely Connected?

Both eating disorders and substance use disorders involve patterns of behavior that can become difficult to control despite negative consequences. Researchers have found that these conditions share many underlying risk factors, including impulsivity, trauma, anxiety, depression, perfectionism, and challenges with emotional regulation.[2]

In some cases, substances may be used to cope with the emotional distress caused by an eating disorder. In others, disordered eating behaviors may serve a similar purpose as substance use: helping someone temporarily escape difficult emotions, numb discomfort, or regain a sense of control.

Brain imaging studies suggest that both eating disorders and addiction may involve alterations in reward pathways, motivation systems, and emotional regulation networks. While these conditions are not identical, they can share similar biological and psychological roots that make recovery more complex—and more deserving of compassionate support.

This is why healthcare professionals often refer to these conditions as co-occurring eating disorders when they happen simultaneously.

 

The Different Ways Substance Abuse and Eating Disorders Can Intersect

The relationship between substance abuse and eating disorders isn’t always obvious. It can look different depending on the individual and the type of eating disorder involved.

 

Bulimia and Substance Abuse

Among all eating disorders, bulimia and substance abuse have one of the strongest documented connections. Studies have found higher rates of substance use disorders among individuals with bulimia nervosa.[2]

People with bulimia nervosa may experience cycles of binge eating followed by compensatory behaviors such as vomiting, excessive exercise, fasting, or misuse of medications. Some people use substances to suppress appetite, reduce anxiety, or cope with feelings of shame that often accompany binge-purge cycles.

What this means: when someone is struggling with bulimia, substance use may become another way of trying to manage emotional distress or regain a sense of control. Unfortunately, both behaviors can reinforce one another over time.

 

Anorexia and Addiction

The relationship between anorexia and addiction can be more complex. While anorexia nervosa is often associated with rigid control and restriction, some individuals also experience substance use disorders.

Stimulants, nicotine, or other substances may sometimes be used to suppress hunger or maintain restrictive eating patterns. Additionally, both anorexia and addiction involve changes in the brain’s reward pathways, which may help explain why these conditions can overlap.[3]

 

Binge Eating and Addiction

Many researchers have explored similarities between binge eating and addiction because both can involve intense cravings, loss of control, and continued engagement despite negative consequences.

While food addiction remains a debated topic in the scientific community, research suggests that binge eating disorder and substance use disorders share several neurological and psychological characteristics.[4]

 

Why Compassion Matters More Than Willpower

One of the most harmful myths surrounding both eating disorders and addiction is the idea that they are simply a matter of self-control.

In reality, both are recognized mental health conditions influenced by biological, psychological, social, and environmental factors.[5]

 

References

1. National Eating Disorders Association. Substance Use and Eating Disorders. Accessed June 17, 2026. https://www.nationaleatingdisorders.org/substance-use-and-eating-disorders
2. Bahji A, Mazhar MN, Hudson CC, Nadkarni P, MacNeil BA, Hawken E. Prevalence of substance use disorder comorbidity among individuals with eating disorders: A systematic review and meta-analysis. Psychiatry Res. 2019;273:58-66. https://pubmed.ncbi.nlm.nih.gov/30594731/
3. National Institute of Mental Health. Eating Disorders. Updated January 2024. https://www.nimh.nih.gov/health/topics/eating-disorders
4. Schulte EM, Potenza MN, Gearhardt AN. A commentary on the food addiction concept. Appetite. 2017;115:9-15. https://pubmed.ncbi.nlm.nih.gov/28232071/
5. American Psychiatric Association. What Are Eating Disorders? Accessed June 17, 2026. https://www.psychiatry.org/patients-families/eating-disorders/what-are-eating-disorders