Why Do Our Stomachs Feel Strange When We Are Emotionally Hurt?

Emotional pain often manifests in physical symptoms. A common one is a weird feeling in your stomach. Stress hormones, such as adrenaline and cortisol, change the blood flow and muscle contraction in the gut, and you may feel these changes as a discomfort in your stomach.

A broken heart can hurt more than a broken nail. If you’ve ever been through heartbreak, you know that the emotional pain it causes can be physically crushing. That tightness in your chest and the gnawing sensation in your gut aren’t mere figments of the imagination; they’re tangible physiological manifestations stemming from emotional anguish and distress.

Emotional pain possesses the peculiar ability to provoke unsettling sensations in the stomach. Whether it’s the sting of rejection, the grip of fear, or a flutter of excitement, these emotions often give rise to distinctive sensations, often described as knots, flutters, or a general churn in the gut. But why does the stomach become so obviously entangled in our emotional experiences?

Let’s delve deeper into this connection between our gut and our emotional life.

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Emotional Pain Is Not Much Different From Physical Pain

If you’ve ever dismissed your feelings, attributing them to overthinking or mere imagination, it’s essential to recognize that emotional pain is just as genuine as its physical counterpart. It’s not a fabrication of the mind, but a tangible experience deserving of acknowledgment and attention.

fMRI studies have shed light on this parallelism, demonstrating that identical areas of the brain light up when individuals experience either physical pain or emotional pain. In experiments where patients lying within a brain scanner were subjected to a hot probe’s touch—an uncomfortable and briefly painful stimulus, akin to the discomfort of holding a hot coffee mug—the same parts of their brains lit up as when they looked at pictures of someone they had recently broken up with.

This shows that rejection and emotional pain trigger the same brain areas as physical pain, making them equally, if not more, distressing.

This pain that we experience, whether physical or emotional, is crucial, as it is our body’s way of telling us when a stimulus is harmful or dangerous. Therefore, when the brain detects pain, it triggers the body’s fight-or-flight response, preparing us to cope with stress. The chain of responses initiated as a part of the fight-or-flight response is responsible for the physical sensations we experience when we feel emotions.

Responding To Emotional Pain And Stress, The Cause Of Stomach Discomfort

Any stimulus, be it physical or psychological, that disturbs the body’s usual equilibrium (homeostasis) is a stressor. Emotional distress also acts as a stressor, prompting a stress response characterized by activating three primary systems: the sympathetic nervous system, the HPA (Hypothalamus-Pituitary-Adrenal) axis, and the immune system.

These three systems collectively drive your stomach-centered sensations when you are emotionally hurt. Let’s examine their roles individually.

The Role Of The Sympathetic Nervous System

The sympathetic nervous system plays a crucial role in our body’s response to stress.

The hypothalamus triggers the adrenal medulla (the endocrine glands sitting atop the kidneys) to release epinephrine and nor-epinephrine into the bloodstream. These neurotransmitters bind to receptors on cell membranes, initiating cellular responses.

One of the cell types that these hormones target is the muscles. Cardiac muscles and smooth muscle cells contract, leading to increased heart rate and blood pressure. These physiological changes are vital for redirecting blood flow to skeletal muscles, an essential part of a “flight” response.

Meanwhile, blood flow to the digestive system decreases, diverting resources to organs requiring heightened activity, such as the heart muscles. You feel the reduced blood supply to your stomach as a strange pain, as if your stomach has “dropped” inside you.

The Role Of The HPA Axis

The HPA axis is activated at a slower pace than the rapid activation of the sympathetic nervous system, and facilitates a more gradual response. It is responsible for the release of corticotropin-releasing hormone (CRH), necessary for stimulating the adrenal glands to release cortisol. The cortisol, once released, further diminishes blood flow to the digestive tract, while augmenting blood supply to the heart muscles.

Both adrenaline and cortisol contribute to muscle tension in the chest and stomach, a consequence of altered muscle contractions. The change in muscle activity also contributes to a feeling of physical discomfort in these areas.

The Role Of The Immune System

The release of cortisol resulting from stress dampens the immune-inflammatory response, leading to a suppression of immune activity. When stress persists for long periods and becomes chronic, the immune system continues to weaken, potentially leading to the development of gastric ulcers and bleeding, causing significant discomfort in the stomach region.

It has been made abundantly clear through extensive research over many years that the well-defined connection between the brain and the gut is responsible for orchestrating the impact of emotional experiences on the stomach. Therefore, it becomes necessary to explore this connection in more detail.

The Gut-brain Axis

Extending from the esophagus to the rectum, the gastrointestinal tract harbors an intricate nervous system composed of nearly 600 million neurons, which we call the enteric nervous system or ENS. The ENS operates independently of the central nervous system (CNS), but the two communicate with each other. This bidirectional communication is referred to as the gut-brain axis.

This axis plays a pivotal role in translating emotional responses into physiological effects within the gut. One significant consequence of emotional pain or distress is its ability to influence gut motility. Elevated cortisol levels, triggered by stress, impact muscle activity in the digestive system and promote inflammation, disrupting the balance of your intestinal microbiome.

Such disruption in the intestinal microbiome can lead to changes in the release of serotonin, a critical neurotransmitter that influences both emotions and gut motility. 95% of serotonin is synthesized within the gut, and alterations in its levels can contribute to changes in gut motility, exacerbating physical discomfort in the stomach.

Effect Of Stomach Discomfort On Emotions

Just as emotions impact the gut, the gut also has a profound effect on emotions. For instance, changes in the gut microbiome caused by changes in diet or an illness can alter serotonin levels, which in turn can impact mood and lead to emotional distress.

Some studies suggest that abdominal discomfort during childhood is positively correlated with recurrent abdominal pain, anxiety, depression, and unhappiness in late adolescence.  Furthermore, medications used to alleviate abdominal pain, such as Tylenol, have been found to alleviate emotional pain as well, likely due to the involvement of overlapping brain areas in both scenarios.

These findings suggest that there is an intricate interplay between psychology and physiology, indicating that good health in both aspects is essential for a healthy life. Therefore, we must regard our physical and psychological well-being with equal attention and care!