The Chemical Legacy of the Modern World

The Chemical Legacy of the Modern World

How military chemistry changed agriculture, medicine and the environment we live in

Much of the chemical environment of modern people was not created for a single purpose. The same scientific discoveries have been used in war, agriculture, industry and medicine. After military conflicts end, production capacity and accumulated chemical knowledge do not disappear. They are redirected into the peacetime economy – sometimes with enormous benefit, and sometimes with consequences that become visible only decades later.

This does not mean that fertiliser is a weapon, that medicine is poison, or that every trace of pesticide leads to disease. It means that the effect of a substance depends on its structure, dose, route of intake, duration of exposure and the ability of the particular organism to process and eliminate it. This is exactly where history meets the functional approach to health.

The nitrogen that feeds the world and fuels war

At the beginning of the 20th century, the Haber–Bosch process made it possible to extract nitrogen from the air and turn it into ammonia. It is one of the most significant scientific breakthroughs in history. Ammonia can be used to produce both nitrogen fertilisers and raw materials for explosives.

Synthetic fertilisers made it possible to increase crop yields dramatically and to feed billions of people. At the same time, their overuse changes soil ecology, pollutes water and encourages intensive farming, in which quantity often displaces the quality and sustainability of the food system.

The story of nitrogen shows something important: a technology can solve a huge problem and create new dependencies at the same time. So the right question is not whether chemistry is “good” or “bad”, but how, on what scale and with what control we use it.

From nerve agents to insecticides

In the 1930s, the German chemist Gerhard Schrader was looking for more effective insecticides. That is how he discovered tabun – the first of the so-called G-series nerve agents. Sarin and other compounds were developed later.

Military nerve agents and organophosphate insecticides are not the same thing, but some of them belong to closely related chemical families and can act on the same key enzyme – acetylcholinesterase. This enzyme terminates the nerve signal. When it is strongly blocked, the nervous system remains in a state of continuous stimulation.

In acute poisoning, the effect is severe and rapid. With prolonged exposure to lower doses, the picture is much harder to assess. The risk is greatest for people who work directly with pesticides, with improper use and with insufficient protection.

Scientific observations link certain occupational and prenatal exposures to neurodevelopmental disorders and a higher risk of some neurological problems. These are population-level associations, not proof that a single contact or a particular food necessarily causes disease.

Chemicals that remain for decades

DDT, polychlorinated biphenyls and dioxins are part of another important story – that of persistent organic pollutants. They break down slowly, accumulate in fat tissue and can become concentrated along the food chain.

DDT played a significant role in controlling insects that spread malaria and typhus, but its mass use in agriculture led to severe ecological consequences. Polychlorinated biphenyls were widely used in electrical and industrial equipment before being restricted. Dioxins arise mainly as unwanted by-products of certain industrial and combustion processes.

What they have in common is persistence. Even after being banned, some of these substances continue to circulate in soil, water, food and living organisms. Some of them can affect hormonal signalling, thyroid function, the immune response and the development of the nervous system. The risk depends on actual exposure, age, stage of development and individual vulnerability.

From mustard gas to chemotherapy

One of the most unexpected links between war and medicine begins with mustard gas. Observations of its suppressive effect on the bone marrow led scientists to the possibility that similar molecules could slow the uncontrolled division of certain cancer cells.

This is how nitrogen mustards and some of the early chemotherapy drugs were developed. Their derivatives are still used today. It is an example of how a dangerous mechanism can be turned into therapy when applied in a targeted way, at a precise dose and under medical supervision.

The same mechanism also explains some of the side effects: these drugs mainly damage rapidly dividing cells, but they cannot fully distinguish tumour tissue from healthy tissue.

The lesson here is not to reject treatment. On the contrary – it is to understand its value, its mechanism and its cost to the body at the same time, so that we can properly support nutrition, tissue recovery and monitoring.

Glyphosate and the line between the established and the assumed

Glyphosate has no direct military origin. Other applications were studied first, and its herbicidal action was discovered later. It blocks a biochemical pathway found in plants and microorganisms, but not in human cells.

This raises logical questions about its effect on soil microorganisms and the gut microbiota. Laboratory and animal models show possible changes, but they do not allow us to automatically conclude what the clinical effect is at typical human exposure.

Similarly, the International Agency for Research on Cancer classifies it as “probably carcinogenic”, while other regulatory assessments do not accept a proven carcinogenic risk at permitted levels of use.

This difference does not necessarily mean that one side is hiding the truth. Hazard assessment answers the question of whether a substance can cause harm under any conditions. Risk assessment asks how likely that harm is at a specific dose and a real-world route of exposure. Both perspectives matter.

What we see in Agaia's practice

In our clients we rarely see a single isolated problem. More often we see an accumulation: a monotonous and highly processed diet, impaired digestion, altered microbiota, low mucosal immunity, a shortage of minerals and protein, poor sleep, high stress and too little movement.

In such an environment, the body has less reserve to cope with any additional load, including the one from the environment. But a lab result for intestinal permeability, phase angle, minerals, liver enzymes or inflammation does not in itself prove “toxicity”. It shows the state of the system. That is why we do not look for a single culprit and do not build aggressive “detox” regimens based on assumptions.

We assess input, processing and output in sequence:

• what food, water and environment reach the person;
• how digestion, the gut barrier and the microbiota are working;
• whether the body has the protein, amino acids, minerals and energy needed for enzymatic processes;
• how the liver, kidneys, bile secretion and bowel movements are functioning;
• whether there is enough sleep, movement and recovery.

The liver is not “cleansed” with a single product. Biotransformation is ongoing enzymatic work that depends on energy and nutritional cofactors. Glutathione is also part of the body's own antioxidant system, not a magic eraser for all pollutants. Support begins with restoring physiology, and only then, when there is a clear need, is it built upon individually.

How to realistically reduce unnecessary exposure

We cannot live in a sterile environment, and there is no need to fear every molecule. But we can limit the unnecessary load:

• wash fruit and vegetables well and vary where they come from;
• choose certified organic products when possible, especially for frequently eaten foods, but do not cut down on vegetables out of fear;
• do not use pesticides at home and in the garden without a real need, and follow the safety instructions;
• do not heat food in plastic containers, and limit prolonged contact with unsuitable packaging;
• reduce ultra-processed products and build your menu from recognisable ingredients;
• if in doubt about water quality, test it first and then choose a filter based on the specific contaminants;
• get enough protein, fibre, colourful vegetables and food sources of sulphur-containing amino acids;
• maintain regular bowel movements, movement, sleep and good hydration.

Supplements do not replace these basics. Detox Code with NAC, glycine, minerals or other substances may have its place, but the environment a person lives in remains at the root of the body's reactions and priorities.

The real conclusion

The chemical legacy of the 20th century is both a story of human ingenuity and a warning about the cost of mass adoption before we understand the long-term consequences. Military chemistry has indeed influenced agriculture, industry and medicine, but the links are not always simple and direct.

For health, the most sensible approach is not panic, but less unnecessary exposure and more biological resources: knowing what enters the system, understanding how it is processed, measuring the state of tissues and functions, and restoring the weak links one by one instead of chasing the next suspected toxin.

Because the terrain of health does not exist separately from the environment. But neither is it defenceless against it. When we reduce the load and give the body back the resources it needs, we create the conditions for its own systems to once again do the work they were built for.