Binge eating is often portrayed as a simple issue of willpower or lack of control over food, but it’s much more complex than that. For many people, binge eating goes beyond physical hunger—it can be deeply tied to emotional and psychological factors.  One growing area of research suggests that binge eating may be a trauma response, with unresolved trauma triggering or exacerbating disordered eating behaviors.  Let’s explore this connection and what the research says about binge eating as a potential response to trauma.

Understanding Trauma

Trauma refers to the emotional and psychological effects that result from deeply distressing or disturbing experiences.  Trauma can be caused by a wide range of events, such as physical or emotional abuse, neglect, the sudden loss of a loved one, or a life-threatening event.  Trauma affects the brain and body, and in many cases, it can lead to long-term psychological conditions such as post-traumatic stress disorder (PTSD), anxiety, and depression.

When trauma is not fully processed or resolved, it can manifest in a variety of coping mechanisms.  These coping strategies often serve as ways to manage the intense emotional pain or feelings of powerlessness.  Disordered eating, including binge eating, is one of these coping mechanisms for some individuals.

Binge Eating and Emotional Regulation

Binge eating involves consuming large amounts of food in a short period, often to the point of discomfort.  People who engage in binge eating may feel a loss of control over their eating, followed by feelings of guilt, shame, or distress afterward.  But why would someone turn to food in response to trauma?

One reason may be the role of food in emotional regulation.  Food, especially high-sugar and high-fat foods, can provide temporary relief or comfort by triggering the brain’s reward system, releasing feel-good chemicals like dopamine.  This “numbing” effect can serve as a way to manage or escape difficult emotions caused by trauma, such as anxiety, sadness, or anger.  Over time, this pattern of emotional eating can develop into binge eating as a habitual response to unresolved emotions.

Trauma and Binge Eating Disorder (BED)

Binge eating disorder (BED) is the most common eating disorder in the United States and is characterized by recurrent episodes of binge eating without compensatory behaviours, such as purging. Research shows a strong correlation between trauma, particularly childhood trauma, and the development of BED.

In a 2014 study published in Appetite, researchers found that individuals with a history of trauma were more likely to engage in disordered eating behaviours, including binge eating. Childhood emotional, physical, and sexual abuse were identified as significant risk factors for developing BED later in life. The study suggested that unresolved trauma could lead to poor emotional regulation, and in turn, unhealthy coping mechanisms like binge eating.

Similarly, a 2016 review published in the Journal of Psychiatric Research found that PTSD and binge eating were closely linked. The study highlighted that individuals with PTSD are more likely to experience emotional eating, which can develop into binge eating disorder. The hyperarousal, intrusive thoughts, and avoidance behaviours associated with PTSD can increase the likelihood of using food as a way to soothe or avoid painful emotions.

Trauma, Dissociation, and Binge Eating

Another way that trauma might influence binge eating is through dissociation. Dissociation occurs when a person feels disconnected from their body or emotions, often as a result of trauma. In this state, people may feel as though they are “numb” or “on autopilot,” and they might engage in activities without fully being aware of them—binge eating included.

Research has shown that individuals who experience dissociation are more likely to engage in disordered eating behaviours.  Dissociation can create a disconnect between the body and mind, leading to a reduced awareness of hunger and fullness signals.  This disconnect makes it easier to engage in episodes of binge eating, as the individual is less attuned to their physical and emotional needs in the moment.

Why Food?

While there are many unhealthy coping mechanisms available, food is often a readily accessible, socially acceptable, and culturally comforting way to soothe emotional pain. Trauma survivors may turn to food because:

• It’s immediately rewarding: Food, particularly comfort food, provides instant gratification, offering a quick way to feel better in the moment.
• It’s non-threatening: For those who have experienced interpersonal trauma (e.g., abuse or neglect), food may feel like a safe source of comfort.
• It numbs emotional pain: Binge eating can act as a form of self-medication, helping individuals escape or suppress difficult emotions.

Healing Trauma to Address Binge Eating

If binge eating is indeed connected to trauma, the path to healing lies in addressing the underlying trauma rather than solely focusing on the eating behaviour. This is why trauma-informed therapies, such as Eye Movement Desensitization and Reprocessing (EMDR), Cognitive Behavioural Therapy (CBT), and somatic therapies, are increasingly being used to treat individuals with binge eating disorder.

These therapies aim to help individuals process unresolved trauma, develop healthier emotional regulation strategies, and build a stronger connection between mind and body. By addressing the root cause of the behaviour—unprocessed trauma—people may be able to reduce or eliminate binge eating episodes over time.

Binge Eating as a Trauma Response

While not everyone who experiences binge eating has a history of trauma, there is a growing body of evidence suggesting that for many, binge eating may serve as a maladaptive coping mechanism for dealing with unresolved emotional pain. Trauma can disrupt emotional regulation and create a need for immediate relief or numbness, with food providing an easily accessible outlet.

Understanding binge eating in the context of trauma can shift the focus from self-blame to compassion and healing. For those struggling with binge eating, addressing underlying trauma through therapy and support can be a crucial step toward recovery and long-term emotional well-being.

References

• Brewerton, T. D. (2019). Posttraumatic stress disorder and disordered eating: Food addiction as self-medication. Current Opinion in Psychiatry, 32(6), 545-550.
• Mitchell, K. S., et al. (2016). Post-traumatic stress disorder and eating disorders: Maintaining mechanisms and treatment targets. Eating Disorders, 24(4), 316-329.
• Grilo, C. M., & Masheb, R. M. (2001). Childhood maltreatment and personality disorder in patients with binge eating disorder. International Journal of Eating Disorders, 30(4), 426-431.
• Afifi, T. O., et al. (2017). Association between child abuse exposure and lifetime eating disorders in a nationally representative sample. Canadian Medical Association Journal, 189(32), E1043-E1048.