15/07/2026
WHAT ARE YOU DIGESTING?
Your Gut Digests more than food:
The gut-brain connection is no joke; it can link anxiety to stomach problems and vice versa. Have you ever had a "gut-wrenching" experience? Do certain situations make you "feel nauseous"? Have you ever felt "butterflies" in your stomach? We use these expressions for a reason. The gastrointestinal tract is sensitive to emotion. Anger, anxiety, sadness, elation — all of these feelings (and others) can trigger symptoms in the gut.
The brain has a direct effect on the stomach and intestines. For example, the very thought of eating can release the stomach's juices before food gets there. This connection goes both ways. A troubled intestine can send signals to the brain, just as a troubled brain can send signals to the gut. Therefore, a person's stomach or intestinal distress can be the cause or the product of anxiety, stress, or depression. That's because the brain and the gastrointestinal (GI) system are intimately connected.
This is especially true in cases where a person experiences gastrointestinal upset with no obvious physical cause. For such functional GI disorders, it is difficult to try to heal a distressed gut without considering the role of stress and emotion.
Gut health and anxiety
Given how closely the gut and brain interact, it becomes easier to understand why you might feel nauseated before giving a presentation, or feel intestinal pain during times of stress. That doesn't mean, however, that functional gastrointestinal conditions are imagined or "all in your head." Psychology combines with physical factors to cause pain and other bowel symptoms. Psychosocial factors influence the actual physiology of the gut, as well as symptoms. In other words, stress (or depression or other psychological factors) can affect movement and contractions of the GI tract.
Thoughts and emotions profoundly impact the gut via the gut-brain axis, a two-way biochemical communication network linking the brain and the digestive system. The gut contains its own nervous system—the enteric nervous system—which is highly sensitive to psychological stress, altering everything from digestion speed to nutrient absorption.
This continuous mind-gut dialogue explains many common physical reactions and gastrointestinal conditions:
When you feel anxious or stressed, your body releases hormones like cortisol. These trigger "fight or flight" responses that can cause stomach spasms, alter gut bacteria, and increase intestinal permeability.
The Vagus Nerve- direct physical "highway" allows the brain and gut to send signals back and forth in real time, translating emotional distress into physical symptoms like nausea or bloating.
The gut is often referred to as the body's "second brain" because a vast majority of the body's serotonin—a key mood regulator—is produced in the digestive tract.
Conditions such as Irritable Bowel Syndrome (IBS): Often classified as a stress-sensitive disorder, where emotional triggers actively worsen symptoms like abdominal pain and irregular bowel movements. Stress can speed up or slow down the digestive process, leading to stress-induced diarrhea or constipation.
Long-term negative emotions and anxiety can lower the number of beneficial microbes and cause inflammation in the gut lining. Understanding this link is why treatments often focus on the mind to heal the stomach.