Colds Are Not an Attack — They Are a Clearance Event
Kurt Annaheim
Colds Are Not an Attack — They Are a Clearance EventWhy the body initiates mucus, mild fever, and “sickness” when toxic load rises, and why these episodes become rare on a low-toxin diet
Most people are taught that a cold is a viral infection the immune system must fight off. The runny nose, the congestion, the low-grade fever, the fatigue — these are framed as symptoms of the body under siege. In Toxin Sequestration Theory (TST) we read the same events differently. A cold is better understood as a short-term, body-initiated clearance and containment program. When the toxic or oxidative burden exceeds what quieter defenses can handle, the body escalates. It increases mucus production to trap and move material out, sometimes raises temperature to support mobilization and excretion, shifts circulation and lymphatic flow, and temporarily redirects resources. What we experience as “catching a cold” is largely that coordinated response in action.
This view aligns directly with the patterns already covered in the fever and mucus posts. Both are protective tools. A cold simply recruits them together, often along the respiratory route, when the terrain has been pushed past its current capacity. Microbes may be present and may even participate, but they are secondary to the underlying load that made the clearance event necessary. The everyday evidence is straightforward. People who adopt a strict low-toxin diet, especially carnivore, frequently report that colds and flu-like episodes become rare or disappear. This is not because the diet “boosts the immune system” in the conventional sense. It is because the baseline toxic burden stays low enough that the body rarely needs to launch a full clearance response. The same protective machinery remains available; it is simply called upon far less often. In what follows, we will unpack what a cold actually is in this framework, why the body chooses this response, how it fits the broader hierarchy of protective adaptations, and what it means for how we support — rather than suppress — the process. This also means that “colds” add to our growing list of the body’s defense mechanisms against toxins.
What a Cold Actually IsIn the conventional story, a cold is an infection. A virus enters the respiratory tract, multiplies, and the immune system responds. The congestion, mucus, mild fever, and fatigue are treated as signs that the body is losing a battle with the germ. In Toxin Sequestration Theory a cold is something else: a coordinated, time-limited clearance and containment program that the body itself initiates when quieter defenses are no longer enough. The program has several recognizable parts. Mucus production rises so that material can be trapped and moved out of the airways. Secretions increase. Lymphatic and circulatory activity shift. Energy is redirected away from ordinary activity and toward the clearance effort, which we experience as fatigue and the need to rest. In some cases a low-grade fever appears, raising temperature in the same way described in the fever post — supporting mobilization and excretion rather than simply “fighting a virus.” The respiratory tract is a logical place for this to happen. It is an outward-facing surface with a built-in exit route. The body can move a burden toward the mucus layer and then out of the body without having to build a more expensive, longer-term vault. The microbes that are often found during a cold may be present and may even take advantage of the changed terrain. They are not required for the core logic. The decisive event is that the toxic or oxidative load has crossed a threshold. The body then turns on a visible, short-term response to contain and clear what the everyday systems could not handle quietly.
That is why a cold should not be treated as the disease itself. The disease, in this framework, is the overload that made the response necessary. The cold is the body’s attempt to deal with it. Why the Body Launches a ColdEveryday defenses are quiet. The liver processes what it can. Fat tissue stores what is lipophilic. Hair, nails, mucus, and ordinary excretion remove a portion of the burden without any drama. Most of the time this is enough. A cold begins when that quieter capacity is exceeded. The body then turns on a short, visible program that uses tools it already has. Mucus production rises so material can be trapped and carried out of the airways. Circulation and lymphatic flow shift to support movement of the load. Energy is pulled away from ordinary activity, which we feel as fatigue and the need to rest. In some cases temperature is raised, recruiting the same mobilization and excretory advantages described in my fever post. The respiratory tract is a practical choice for this kind of response. It is an outward-facing surface with a built-in exit. The body does not have to construct a new long-term vault. It can move a burden into mucus and then out of the body in a matter of days.
This is why a cold has a beginning, a peak, and an end. It is not an open-ended disease process. It is a time-limited clearance event. When the immediate load has been reduced enough for quieter systems to resume control, the program winds down. The same logic explains why people on a strict low-toxin diet, especially carnivore, often stop getting frequent colds. Their baseline burden stays below the threshold that would force the body to launch this emergency exit. The machinery is still there. It is simply needed far less often. The Myth of Catching a ColdThe most familiar story about colds is that they are caught. Someone nearby is sick, a virus jumps, and now you have it too. The clustering looks convincing: families go down in the same week, offices empty out, schools send home wave after wave of children. TST says the clustering is real and the explanation is wrong. People who live and work together share more than proximity. They share indoor air, heating systems, mold, smoke, fragrances, and the same seasonal change in ventilation. They often share a diet. They hit the same holidays, the same sugar, the same alcohol, the same late nights. When several people in one house launch a cold at once, that can mean they crossed the same toxic threshold at the same time. It does not prove that the cold was a packet passed from person to person. This is why the “catching” story starts to look thin once the terrain changes. Plenty of carnivores live with partners or children who still get colds and report that they do not come down with them. If a cold were mainly a contagious germ, that pattern would be hard to explain. If a cold is a clearance event launched when load exceeds capacity, it is easy to explain. The person below the threshold has nothing to dump. The person above it does.
Winter makes the myth look stronger because winter packs people indoors and raises several toxic burdens at once: poorer air, more combustion products, more mold in damp buildings, more sugar, more alcohol, less sun, more stress. The calendar clusters colds. That is not the same thing as a germ touring the neighborhood. A cold can still coincide with other people being sick. Shared terrain predicts that. What TST rejects is the idea that the cold is the transmission. The body launches an airway dump when it needs an exit. You do not catch that program from a coworker. You launch it when your own load requires it. Readers are also encouraged to check out Dr. Remant’s blog on this topic “We do NOT catch the flu”, which agrees well with my blog post. What Toxins Drive ColdsA cold is a clearance event for toxins. The useful question is which burdens most often push the body to use this short respiratory exit. The medical literature is larger than it first appears. It is usually written as if viruses and bacteria were the main actors. Read it through TST, and the same papers become evidence that specific toxins raise the load on the airways until a visible clearance program is required. Glucose and fructose have the strongest evidence. High blood sugar makes respiratory illness more severe. A 2023 Nature study showed that hyperglycemia disrupts lung dendritic cells and delays clearance from the lungs. Airway glucose itself also rises with barrier leakiness, and higher glucose in sputum tracks with a heavier burden in the airways after a cold-type episode. Short-term fructose intake can prime immune cells to overreact to toxic stimuli. In TST terms, sugar is not “feeding a virus.” It is raising the oxidative and metabolic burden on an already stressed respiratory surface until the body launches a cold. Inhaled smoke and air pollutants have some of the cleanest human data. Smokers have roughly twice the rate of influenza-like and other acute respiratory episodes as never-smokers. PM2.5 and NO2 are linked to higher rates of respiratory tract illness, including upper-airway disease. Some combustion particles increase rhinovirus replication in airway cells. These exposures land directly on the surface the body later uses as an exit. The conventional story says pollution “increases infection.” The TST reading is simpler: inhaled toxins damage the airway lining and add to the load that must be moved out. Alcohol is better documented for pneumonia than for a mild cold, but the mechanism still matters. Alcohol impairs mucociliary clearance, injures airway epithelium, and raises pneumonia risk by about 8% for every 10–20 grams per day. That is an extra oxidative and liver burden. If quieter defenses are already near capacity, that extra load can be enough to start a respiratory clearance event. Mycotoxins (produced by mold) act on the same route from the inside of buildings. Moisture and indoor mold are associated with bronchitis and more frequent respiratory illness. Aflatoxins, even at short exposures, slow ciliary beating in human sinus and bronchial cells. They impair the very machinery the airways use to move material out. A mucus-heavy, sinus-centered cold in a moldy environment is then not a random germ event. It is the body using the nearest exit after a local toxic hit. Oxidized omega-6 fats are weaker as a population finding, but they are not irrelevant. In airway cells, omega-6 fatty acids can amplify the response to rhinovirus. That is mechanistic support, not a large trial proving that seed oils “cause colds.” It still fits: these fats raise oxidative pressure on the membranes a cold later has to manage.
The mapping is uneven on purpose. Sugar, smoke, polluted air, alcohol, and mold/mycotoxins have the clearest literature. Those papers are usually framed as infection risk. In TST they are evidence that these exposures raise the toxic load until everyday clearance is no longer enough — and the airways become the fastest way out. Where Colds Fit in the TST HierarchySimilar to fever, a cold does not sit cleanly inside the vault hierarchy. A tumor, a stone, a nodule, or a lipoma is a storage structure. A cold is not. It is a short program that moves a burden out of the body. The hierarchy is easier to see if we separate vaults from clearance events. Tier 1 is quiet and continuous. The liver processes what it can. Fat tissue stores lipophilic toxins. Ordinary mucus, sweat, urine, bile, hair, and nails remove a portion of the load without any noticeable illness. Most days this is enough. When that quiet capacity is exceeded, the body has two broad options. It can lock the excess away in a vault. Or it can try to get the excess out. A cold belongs to the second option. So does a fever. These are time-limited clearance events. They use mucus, rest, circulation, and sometimes a rise in temperature to mobilize material and send it through an exit — in the case of a cold, the airways. Tier 2 and Tier 3 are the vaults themselves. Mini-vaults, stones, nodules, and skin growths come first. Tumor vaults come later, if the load remains high and cannot be cleared. A cold is an attempt to avoid that escalation. It is not the escalation. This is why a cold can look “in between.” It often appears after everyday defenses have fallen behind, and it can reduce the pressure that would otherwise force the body to keep building or expanding vaults. In that sense, a cold is closer to fever than to a lipoma. Both are tools for moving load between compartments and out of the body, not structures for storing it.
The practical pattern follows from this. When the baseline toxic load stays inside Tier 1 capacity, the body rarely needs a cold. The machinery is still there. The threshold is simply crossed less often. If incoming toxins stay high, or if the exit is repeatedly blocked, the clearance event cannot finish its job — and the pressure remains available for more expensive containment later. Colds, Fever, and Spontaneous RegressionColds and fevers belong to the same family of responses. They are short programs for moving a toxic load out of the body. That is why they matter for cancer. The famous cases of spontaneous tumor regression often followed a strong febrile illness. Coley’s work pointed in the same direction: when the body runs a high fever, tumors sometimes shrink. The medical literature has also reported spontaneous regression after what it calls an “infection.” In TST that so-called infection is better understood as a clearance event — a coordinated dump of toxic load, not the germ as the hero of the story. A fever changes circulation, increases sweating, and helps mobilize material that had been stored. If the body can get enough of that load out, it may no longer need the tumor vault. A cold uses the same logic, usually on a smaller scale. Mucus, rest, and a rise in temperature are tools for clearance. The body is trying to dump a burden through an exit instead of locking it away in fat, stones, nodules, or tumors. This does not mean every cold empties a tumor. It means the body prefers an exit when it can get one. High fever is simply the stronger version of that same strategy. That is the interesting point. Conventional medicine treats the cold as an infection and the tumor as a separate disease. TST treats both as responses to toxic load: one tries to get the load out, the other stores what could not be cleared.
Why Carnivores Rarely Get ColdsAsk around in the carnivore world and you hear the same sentence again and again: I never get colds anymore. I have personally attested to this. On my YouTube channel, I have repeatedly said that I never get a cold or flu on the carnivore diet. 
That is not a coincidence, and it is not because meat “boosts the immune system.” It is because a cold is a clearance event. When the incoming toxic load drops, the body no longer needs to keep using the airways as an overflow valve. This is the opposite of the mainstream story. Conventional medicine treats fewer colds as better germ-fighting. TST treats fewer colds as a quieter terrain. Cut the main drivers — sugar, seed oils, alcohol, mold, and much of the packaged-food burden — and everyday defenses can keep up. The liver, fat tissue, mucus, sweat, urine, hair, and nails handle the residual load without a visible dump through the nose and lungs. That is why so many carnivores describe years without a cold after the diet change. The body did not forget how to launch the program. It simply stopped crossing the threshold. The machinery is still there. The emergency is not. The early weeks can look different. Some people get one last “detox cold” as stored load is moved toward an exit. That is not proof that meat is infecting them. It is the body finishing a job that the old diet kept interrupting. Once the incoming stream stays low, those episodes usually vanish. The same pattern shows up in reverse. Children and adults who live on sugar and seed oils often seem “always sick.” Their airways are being used as a regular overflow drain. Change the load, and the overflow events become rare. Carnivores are not magically immune to germs. They are living below the toxic threshold that used to force a cold.
Why Suppressing a Cold Can BackfireIf a cold is a clearance event, then blocking it is not the same thing as solving the problem. It is interrupting the exit. This is the same mistake we have already seen elsewhere. Mainstream medicine attacks tumors, dissolves stones, ices injuries, and shuts down histamine. In each case it treats a defense as the disease. Cold medicine does the same thing on a smaller scale. The standard toolkit is built for suppression. Acetaminophen and ibuprofen are used to lower the temperature and blunt the ache. Antihistamines dry the nose. Decongestants shrink swollen airways so the person can “breathe and get back to work.” Cough suppressants quiet the very reflex that helps move material up and out. Combination products such as NyQuil and DayQuil stack several of these actions into one dose. The sales pitch is comfort. The effect is to pause a program the body launched on purpose. From the TST view, mucus is not the enemy. It is the vehicle. Fever is not the enemy. It is part of the mobilization. Coughing and rest are not optional extras. They are how the body moves the load and reallocates energy toward clearance. When those tools are blocked, the burden that was heading out through the airways has to go somewhere else. Some of it stays in circulation. Some of it is pushed back into storage. That helps explain why a suppressed cold often “comes back,” or why the person feels worse a few days later. The program was not completed. It was paused. The body may try the exit again, or it may keep more of the burden in the liver, fat, mucus-producing tissue, lymph, or later vaults. This does not mean every symptom should be endured without help. But habitually shutting down every sniffle with fever reducers, antihistamines, decongestants, and cough suppressants trains the body to stop using its cheapest exit. Over time, that can raise the pressure on more expensive containment. The smarter move is the same one that runs through the rest of TST. Do not fight the clearance. Lower the incoming load so the body rarely needs the program — and when it does launch a cold, let the exit finish.
What To Do InsteadDo not attack the cold. Lower the load that made it necessary, and let the exit finish. Keep the diet simple: meat, salt, water, rest. Skip sugar, seed oils, alcohol, juices, and “immune-boosting” supplements. Those add burden while the body is trying to dump burden. Use medicine only when the person cannot sleep or cannot breathe. A runny nose is doing its job. Daily Tylenol, ibuprofen, antihistamines, decongestants, and cough syrup are not. If colds keep returning, treat that as a signal. The terrain is still overloaded. The fix is not a stronger suppressant. It is a lower incoming load. ConclusionA cold is not proof that a virus conquered the body. It is a short clearance event. When the toxic load rises past what quiet defenses can handle, the body uses the airways as an exit: mucus, rest, and sometimes fever. That is an intelligent move. It is cheaper than building a longer-term vault. This is why the same pattern keeps showing up across TST. The body would rather dump a burden than store it. High fever has even been followed, in some cases, by spontaneous tumor regression — which makes sense if the so-called infection was actually a clearance event strong enough to reduce the need for a vault. An ordinary cold is usually the smaller version of that same strategy. It is also why so many carnivores say they never get colds anymore. They did not become better germ-fighters. They lowered the incoming load until the overflow valve stopped turning on. And it is why habitually blocking a cold with fever reducers, antihistamines, decongestants, and cough syrup can backfire. Those drugs interrupt the exit. They do not remove the load. The practical lesson is the same one that runs through the rest of this series. Respect the defense. Reduce the toxins that made the defense necessary. Let a cold finish when it comes — then keep the terrain quiet enough that the body rarely has to launch one again. You're currently a free subscriber to Patrick’s Substack.
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2026 Patrick Coles
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