Most of us think of digestion as a purely physical process. We eat, our stomach breaks down food, our intestines absorb nutrients, and our bodies do the rest. While that is certainly true, modern research has shown that digestion is also profoundly influenced by the nervous system. In fact, the digestive tract and the brain are in constant conversation, each continuously affecting the other.

If you’ve struggled with chronic digestive issues such as irritable bowel syndrome (IBS), functional constipation, abdominal pain, bloating, or indigestion—and you also recognize yourself as someone who instinctively puts others’ needs before your own—there may be an important connection worth exploring.

To be clear, this does not mean your symptoms are “all in your head,” nor does it mean that people-pleasing or trauma causes digestive disorders. Rather, it reflects a growing understanding of how the nervous system and digestive system work together. Researchers now refer to conditions such as IBS, functional dyspepsia, and functional constipation as Disorders of Gut-Brain Interaction (DGBIs), a term that recognizes the continuous communication between the brain and the digestive tract. This represents an important shift away from the outdated idea that these conditions are either purely medical or purely psychological. They are both.

One pattern I frequently see in my practice is that many clients with chronic digestive concerns also describe themselves as lifelong caretakers. They are dependable, accommodating, and highly attuned to the emotional needs of others. They avoid conflict whenever possible, struggle to say no, and often feel responsible for keeping everyone around them comfortable. In trauma-informed therapy, this pattern is commonly referred to as a fawn response—a conditioned strategy of prioritizing the needs, emotions, or expectations of others in order to preserve connection and maintain a sense of safety.

For many people, this response develops early in life. If love, approval, or emotional security felt unpredictable, becoming helpful, agreeable, or indispensable may have been an adaptive way to reduce conflict and maintain connection. Children are remarkably creative in finding ways to survive emotionally, and for some, becoming the “easy child” or the caretaker becomes the strategy that works best. Over time, however, what began as an intelligent adaptation can become so automatic that it no longer feels like a strategy at all. It simply feels like who they are.

One of the most important distinctions we can make in therapy is the difference between being safe and feeling safe.

Many adults who default to a fawn response are objectively safe. They are no longer living with the unpredictability, criticism, or emotional instability that shaped their early experiences. Yet their nervous systems continue to behave as though safety depends on managing the needs, emotions, and expectations of everyone around them.

The nervous system is not asking, Am I actually safe?

It is asking, What have I learned I must do to stay safe?

If the answer has always been, Keep everyone happy. Don’t disappoint anyone. Don’t create conflict. Don’t have too many needs of your own., those patterns often continue automatically, long after they are no longer necessary.

This distinction matters because our physiology responds much more to our perception of safety than to our objective circumstances.

The autonomic nervous system has two branches that are especially relevant here. The sympathetic nervous system prepares us to respond to challenge and perceived danger. The parasympathetic nervous system supports restoration, healing, immune functioning, and digestion. Healthy digestion depends on the body’s ability to spend adequate time in this restorative state.

When the nervous system has learned that safety depends on constant vigilance, emotional monitoring, self-sacrifice, or suppressing one’s own needs, it may spend less time in the physiological state that best supports digestion. Over months and years, this can diminish gut motility, increase pain sensitivity, alter communication between the brain and digestive tract, affect immune function, and even contribute to changes in the gut microbiome. These are measurable biological processes—not imagined symptoms and not signs of weakness.

Researchers continue to uncover just how interconnected these systems truly are. The Rome Foundation, the international organization that establishes the diagnostic criteria for Disorders of Gut-Brain Interaction, describes these conditions as arising from a complex interaction among the nervous system, the digestive tract, the immune system, the gut microbiome, and psychosocial factors. Rather than searching for a single cause, current research recognizes that these conditions develop through the ongoing interaction of multiple biological and psychological processes.

This understanding has also changed the way many digestive disorders are treated. A large systematic review published in Gastroenterology in 2024 found that brain-gut behavioral therapies—including cognitive behavioral therapy, gut-directed hypnotherapy, and related interventions—can significantly improve symptoms for many people with IBS. These therapies are not effective because digestive disorders are psychological illnesses. They are effective because they help regulate the same nervous system that is continuously communicating with the digestive tract.

This is an important distinction because conversations about the mind-body connection can sometimes leave people feeling blamed for their symptoms. That is not what the research suggests.

The goal is not to ask whether someone “caused” their digestive problems by being too nice, worrying too much, or experiencing trauma. The goal is to recognize that the same nervous system adaptations that once helped someone survive emotionally may also influence physical processes throughout the body, including digestion.

In other words, the nervous system does not separate emotional survival from physical survival. It responds to both through the same biological pathways.

If your nervous system learned that safety depended on pleasing others, healing is rarely about becoming less compassionate or less caring. Instead, healing often involves expanding your definition of safety. It means learning that relationships can survive healthy boundaries. It means discovering that rest does not have to be earned, that your own needs deserve attention, and that disappointing someone does not automatically threaten connection. Little by little, these experiences teach the nervous system that safety no longer depends on constant self-sacrifice.

If you recognize yourself in these patterns, I hope this feels less like an explanation of what is “wrong” with you and more like an invitation to understand yourself with greater compassion. Your tendency to care for others likely developed for a very good reason. It may have protected you during a time when you genuinely needed that strategy.

The goal is not to stop caring for others.

The goal is to include yourself among the people worthy of your care.

As our understanding of the gut-brain connection continues to evolve, one message has become increasingly clear: healing digestive health sometimes involves more than changing what we eat. It may also involve helping the nervous system discover something it may not have fully believed before—that you can be safe, connected, and deeply valued without having to abandon yourself in the process.

References

Black, C. J., Ford, A. C., et al. (2024). Brain-Gut Behavioral Therapies for Disorders of Gut-Brain Interaction: A Systematic Review and Meta-analysis. Gastroenterology.

Drossman, D. A., Tack, J., et al. (2024). Disorders of Gut-Brain Interaction: Advances in Understanding the Brain-Gut Axis. Nature Reviews Gastroenterology & Hepatology.