Before GAPS, asthma was part of my everyday life. Breathing could feel like pulling air through a straw, and I was having multiple attacks a day. My emergency inhaler had stopped doing enough for me, so I went on steroids to keep the attacks under control. That was where I stood when our whole family started the GAPS Introduction Diet in July 2024.
I stopped the steroids when I started GAPS, and I have not had another asthma issue since. My allergies changed too. I no longer need the over-the-counter allergy medicine I used before. That is our family record, not a promise about what another person will experience. I am sharing it because it is the reason I take Dr. Natasha Campbell-McBride’s explanation of the gut, lungs, and immune system seriously.
Why GAPS Connects Asthma to the Gut
In Gut and Physiology Syndrome, Dr. Natasha places the lungs beside the liver because both organs help the body handle what comes through the digestive system. Water-soluble substances pass through the liver before the blood reaches the lungs. Fat-soluble substances generally travel through the lymph and reach the lungs first. When the gut wall is damaged and the microbial community is out of balance, the book says the lungs can receive a much heavier load of toxins and microbial products than they were designed to handle.[1]
The book calls asthma a GAPS condition for two connected reasons. First, abnormal gut flora and a damaged gut wall allow more unwanted material into circulation. Second, the immune system is already leaning toward atopy, the allergic-response pattern Dr. Natasha connects with asthma, eczema, hay fever, and other allergies.[2]
Research on the gut-lung connection now gives useful context for that framework. In the CHILD birth cohort, infants who later showed a higher risk of asthma had temporary differences in specific gut bacteria and microbial metabolites during the first 100 days of life.[3] A later analysis from the same cohort found that infant antibiotic exposure, changes in the gut microbial community, and asthma at age five were connected in a dose-responsive pattern.[4] These studies do not replace the GAPS protocol. They help explain why the gut and lungs belong in the same conversation.
Why Animal Fat Appears in the Lung Chapter
Lung surfactant helps keep the air sacs open. Dr. Natasha describes it as a structure built largely from saturated fat and cholesterol, with protein making up a smaller portion. She uses that biology to explain why eggs, liver, animal fats, and other nutrient-dense animal foods matter in a GAPS approach to lung health.[1]
Pulmonary research also describes surfactant as a mixture dominated by phospholipids, along with proteins and neutral lipids, and identifies surfactant changes in asthma and other lung conditions.[5] That does not turn one food into an asthma remedy. It does show why lung structure and dietary fat are more connected than a standard list of asthma triggers would suggest.
What GAPS Says Bronchospasm Is Doing
The book describes bronchospasm as the smooth muscles in the airway closing around a damaged section so the tissue can repair. Dr. Natasha compares it with closing a damaged lane on a motorway before the road crew begins its work. In her explanation, a natural episode generally lasts from a few minutes to about fifteen minutes, and childhood bronchospasm is not dangerous because enough lung remains open to compensate while the closed section repairs.[6]
That mechanism deserves its own careful explanation. Read Bronchospasm and GAPS: Why the Book Calls It Protective for the full road-repair comparison and the sequence Dr. Natasha gives.
What Changed in Our House
My asthma change was dramatic because the starting point was dramatic. Multiple attacks a day stopped being part of my life. I did not spend the next two years wondering whether my inhaler would work well enough during the next one.
Our allergy changes were more mixed, which is useful in its own way. Before GAPS, three of us used over-the-counter allergy medicine: me, my husband, and our 9-year-old. Now only my husband still takes it, and he needs it less often. He works outside, and his daily exposure is different from mine. I cannot tell you exactly why our outcomes were different. I can tell you they were.
We also saw steadier moods across the family after starting GAPS. I keep that as a separate family observation. I do not use it to explain the asthma or allergy changes, but it belongs in the same honest timeline because it happened during the same period.
Food Allergy in the GAPS Framework
GAPS traces many food reactions back to a damaged intestinal lining. Food should be broken down before it moves across the gut wall. When the barrier is porous, larger, incompletely digested particles can reach the immune system and trigger reactions. Those reactions may show up quickly or later, and they do not always fit the narrow pattern people expect from an immediate allergy test.[7]
The official GAPS food-allergy article makes one boundary especially clear: dangerous anaphylactic-type allergies remain their own category. The broader discussion of delayed reactions and food intolerance does not erase that distinction.[7]
Where to Start With the Diet
For asthma and other lung conditions, Dr. Natasha says you may begin with Full GAPS while you reorganize the kitchen, learn the food, and find reliable suppliers. She also says the Introduction Diet provides deeper healing and should be used from the beginning when a person is ready, or later after a period on Full GAPS.[8]
That choice matters because Intro and Full GAPS ask very different things from a household. Use Intro GAPS vs. Full GAPS: What Changes on Your Plate to compare the two routes before you build a plan.
The asthma series then separates the questions that should not be mashed together. Asthma and Gut Health: How GAPS Links the Gut and Lungs covers the condition framework. A Child’s First Asthma Attack: What the GAPS Book Says keeps the first, unmedicated childhood route separate from the route for a child already taking medication. Asthma Medication and GAPS: The Gradual Reduction Sequence explains the child and adult reduction passages without turning my family’s experience into instructions.
Make the Food Changes Easier to See
The GAPS Food Swap Guide gives you a practical way to replace the processed foods GAPS removes without staring at an empty pantry and wondering what anyone is supposed to eat.
Frequently Asked Questions
Does Our Story Prove GAPS Will Stop Everyone’s Asthma?
No. It tells you exactly what happened in our house. I stopped steroids when we started GAPS in July 2024, and I have not had asthma issues since. Another person’s starting point, exposures, medications, and pace will be different.
Did Everyone’s Allergies Change the Same Way?
No. I no longer take allergy medicine, our 9-year-old no longer takes it, and my husband still uses it less often. His outdoor work may matter, but we do not know why his experience differs.
Does GAPS Use a Separate Diet for Allergies?
The main work is still the GAPS Nutritional Protocol. Individual foods may need to be removed and later tested or reintroduced according to the reaction pattern, while dangerous anaphylactic-type allergies remain separate.
What About Changing Asthma Medication?
Dr. Natasha gives different instructions for a first unmedicated wheeze, a child already taking medication, and an adult with chronic asthma. Do not collapse those branches into one rule. My decision to stop steroids is part of my history, not a medication plan for someone else. Work with the prescriber on a medication change.
Your Next Step
Start by choosing between Intro and Full GAPS. Then read the asthma article that matches the question you actually have: the gut connection, bronchospasm, a child’s first attack, or the medication-reduction sequence.
References
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “The Liver and the Lungs,” pp. 93–94.
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “Asthma,” p. 94; and immune-system discussion of atopy, pp. 57–58.
- Arrieta, Marie-Claire, et al. “Early Infancy Microbial and Metabolic Alterations Affect Risk of Childhood Asthma.” Science Translational Medicine 7, no. 307 (2015): 307ra152. PubMed.
- Patrick, David M., et al. “Decreasing Antibiotic Use, the Gut Microbiota, and Asthma Incidence in Children.” The Lancet Respiratory Medicine 8, no. 11 (2020): 1094–1105. PubMed.
- Hohlfeld, Jens M. “The Role of Surfactant in Asthma.” Respiratory Research 3, article 4 (2002; published online 2001). PubMed Central.
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “Asthma,” pp. 95–96.
- Campbell-McBride, Natasha. “Food Allergy.” Official GAPS article, originally published in the Journal of Orthomolecular Medicine 24, no. 1 (2009). GAPS.me.
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “Asthma and Other Lung Conditions,” p. 410.
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