In 2016 I watched my grandfather die of esophageal cancer.
That same season, my own health started coming apart in ways I couldn't explain. Nothing dramatic. Just a stomach that stopped cooperating, food that suddenly didn't sit right, and a general sense that my body had quietly changed the rules on me without telling me. I had a globulus sensation in my throat that would not go away and acid reflux that I could feel in my sinuses,
I want to be careful how I say this next part, because it’s a phrase my clients often hear from their friends, family, even medical professionals. It was not "in my head." My symptoms were real and physical and measurable. But my body was living through something, and digestion was where it showed.
That's the thing I want to explain here, because "it's just stress" is one of the most dismissive sentences in medicine, and it also happens to be pointing at something true.
Digestion is a permission-based system
Your nervous system has two settings that matter here. Sympathetic, which is the one that gets you out of danger (fight or flight). Parasympathetic, which is the one people call rest and digest.
That second name is not a metaphor. Digestion is genuinely a parasympathetic activity. When your body senses stress or urgency, digestion moves down the priority list. Its attention shifts toward keeping you alert, responsive, and ready to handle whatever is in front of you; not breaking down lunch.
So when your system is running in a low-grade emergency for months or years, several things get turned down at once:
- Stomach acid production drops. Less acid means protein doesn't get broken down as well, minerals like iron and B12 and zinc don't get released properly, and the acid barrier that keeps things from setting up shop further down gets weaker. Ironically, low acid produces a lot of the same symptoms people treat as too much acid.
- Digestive enzymes and bile flow decrease. This is often why fatty meals suddenly feel heavy when they never used to.
- Motility changes. There's a cleaning wave called the migrating motor complex that sweeps the small intestine between meals. It only runs when you're not eating, roughly in ninety-minute cycles. Constant snacking and constant stress both interrupt it, and when the sweeping stops, things accumulate.
- Blood flow reroutes away from the gut and out to your muscles.
- The gut lining gets less resilient. The tight gap junctions between cells loosen under sustained stress hormones, which is the real, boring physiology behind the phrase people throw around online. Suddenly the barrier that was supposed to only be wide enough to allow amino acids to pass, is now wide enough to allow entire peptides to pass, triggering an IgG response to these peptides. This is often why your most frequented foods show up on your IgG sensitivity test.
And the traffic runs both directions. Your gut sends far more information up the vagus nerve to your brain than your brain sends down. So the anxious feeling and the stomach feeling are not two separate events happening to the same unlucky person. They are one conversation.
What this looks like in real life
The patterns I notice most:
Symptoms that track with your calendar rather than your food. Fine on vacation, wrecked by Wednesday. Fine all week, terrible before a certain meeting.
Reflux that showed up during a hard year and never left.
Reacting to more and more foods, even though the foods didn't change.
An appetite that vanishes when you're stressed, then comes back at 9pm all at once.
The stomach that knows before you do. You feel it before you've consciously registered that you're upset.
The practical part, which is smaller than you think
None of this is fixed by being told to relax. Here are some doable activities to implement:
Sit down. Five minutes before you eat, do nothing. Not scrolling. Not driving. Just sitting, ideally with the food in front of you where you can smell it. Smell and sight are part of how the stomach gets told to start producing acid. This is the highest-return thing on this list and it costs five minutes.
Take a few long exhales before the first bite. Try breathing in for four and out for eight, six or eight times. The long exhale is what shifts you toward parasympathetic. You don't need an app.
Chew until it's gone. Most of us chew somewhere around seven times. Aim for twenty to thirty. Put the fork down between bites if that's the only way, which it usually is. Digestion is mechanical before it is chemical, and your stomach does not have teeth.
Stop eating in the car. I say this to everyone and everyone ignores it, including me some days. But eating while driving, working, or standing at the counter is eating in sympathetic mode.
Leave three to four hours between meals. Give the cleaning wave a chance to run. That means the mid-morning handful, the afternoon handful, and the tasting while you cook are not free.
Stop eating around three hours before bed. Reflux and sleep quality both improve, often noticeably, within a week or two.
Take a ten minute walk after dinner. Helps motility and blunts the post-meal glucose rise. It is the most underrated health habit I know of.
Hum, sing, or gargle. This sounds ridiculous. The vagus nerve runs past the vocal cords, and singing in the car is a real, free way to tone it. My kids think I'm doing it for fun.
What I'd try for two weeks
Pick the two that annoy you least. If I had to choose for you: the five minutes of sitting before you eat, and the ten minute walk after dinner.
Then write down what you notice. Symptoms, but also what was happening that day. Who you talked to, what you were dreading, how you slept. When people bring me two weeks of that, we can usually see the shape of it together within a few minutes, and the shape is almost never only about food.
And the part that isn't a technique
Some of this doesn't get solved with breathwork.
If you're carrying grief, or living in a situation that keeps your body braced, or you have never fully processed something that happened to you, your digestion may be telling the truth about your life and no amount of chewing will fix it. That is not a failure. Sometimes the most functional intervention available is a good therapist, or a hard conversation, or rest you've been refusing to take.
I believe our bodies keep honest records. I also believe that healing is rarely just physical, and that being seen and heard is part of the work, not a soft add-on to it.
Start with the five minutes. See what your body says.
This is for information only and isn't medical advice. Reflux, ongoing pain, difficulty swallowing, blood, or unexplained weight loss should always be evaluated by a doctor rather than managed with lifestyle changes alone.
