Soil, Grass and Cancer by André Voisin: Book Report

Posted on by Thomas Aaron

Soil, Grass and Cancer
by André Voisin

Health of animals and men is linked to the mineral balance of the soil

It’s a well-known work in the soil-mineral / agricultural health space, connecting soil mineral balance, plant health (grass), and downstream health effects on animal and man.

Core Thesis of the Book

  • The health of soil determines the health of plants

  • The health of plants determines the health of animals

  • The health of man and animals reflects long-chain mineral and biological effects from the soil

In plain terms:
if the soil mineral balance is off, the grass/feed quality changes, and that can show up later as:

  • weak livestock

  • fertility problems

  • metabolic disorders

  • disease susceptibility

  • lower resilience in humans consuming foods from that chain

He is not just talking about “NPK fertilizer yield.” He is pointing to mineral balance + biological quality.

This book fits very well with a bio-mineral / terrain-first viewpoint:

1) The mineral program

Voisin treats soil as the foundation chemistry that governs:

  • plant composition

  • forage quality

  • animal tissue quality

  • disease resistance patterns

2) “Healthy-looking” plants can still be mineral-deficient

A crop/grass can look green and abundant, yet still be:

  • imbalanced

  • low in key trace minerals

  • metabolically poor as feed

So visual yield ≠ biological quality.

3) Disease patterns may begin far upstream

The idea that many chronic disorders are not just “random events,” but can be linked to:

  • long-term mineral imbalance

  • poor forage quality

  • altered animal metabolism

  • weakened resistance

Chapter-by-Chapter Style Overview

1. Soil Fertility vs True Biological Fertility

Voisin distinguishes:

  • high production (tons/acre)
    vs

  • true nutritive value

A field can produce a lot of grass but still produce poor-quality feed if mineral relationships are distorted.

Key takeaway: Quantity and vitality are not the same.

2. Mineral Balance in Soil and Forage

He emphasizes that the balance among minerals matters, not just total presence.

Examples of ideas he works around:

  • excesses causing antagonisms

  • deficiencies reducing assimilation

  • forage composition reflecting soil conditions

Key takeaway: Mineral relationships matter more than simplistic “add one nutrient” thinking.

3. Grass Quality and Animal Health

Voisin connects pasture condition with livestock outcomes such as:

  • growth quality

  • fertility

  • milk/production quality

  • resilience to disease

He highlights that feed can be “adequate” in calories but still biologically poor if mineralized badly.

Key takeaway: Animal performance is a diagnostic readout of soil quality.

4. Soil Imbalance and Disease Susceptibility

He explores how chronic mineral imbalance in the soil-food chain can contribute to:

  • degenerative conditions

  • tissue weakness

  • lowered resistance

  • disease terrain changes (including cancer risk discussions)

Key takeaway: Disease is not only pathogen/exposure-based; terrain matters.

5. Agricultural Methods and Hidden Consequences

Voisin critiques agricultural approaches that focus too narrowly on:

  • yield

  • quick growth

  • fertilizer response
    while ignoring:

  • trace minerals

  • pasture management quality

  • long-term soil vitality

Key takeaway: Short-term productivity can create long-term biological decline.

6. Preventive Agriculture

The practical end-point of his thinking is not just treatment of disease, but prevention through soil restoration:

  • rebuild mineral balance

  • improve soil biological function

  • produce stronger forage

  • improve herd and human health downstream

Key takeaway: The farm is a preventive-health system.

Copper / Mineral-Centric

Voisin may not frame everything in a “copper-centric metabolism” language, but his framework strongly supports the upstream logic:

Soil mineral distortion → forage mineral distortion → animal metabolic distortion

That directly aligns with:

  • master mineral relationships

  • antagonism patterns

  • enzyme function downstream of mineral status

Where copper-centric logic can be layered onto Voisin’s thesis

If forage is mineral-imbalanced, then downstream you can infer stress on:

  • redox enzymes

  • connective tissue quality

  • oxidative buffering

  • energy production

  • reproductive performance

  • immune resilience

Even when copper isn’t the only issue, Voisin’s model supports the idea that:

  • trace mineral imbalance in the soil can create systemic biological weakness

  • disease shows up later as the visible endpoint

Why This Book Still Matters

It’s important because it pushes back against the reductionist idea that:

  • “If yield is high, nutrition must be fine”

  • “If protein/calories are present, health is covered”

  • “Disease starts only at the animal/human stage”

Voisin says the chain begins earlier:
soil → plant → animal → man

That is a very powerful framework for:

  • regenerative agriculture

  • pasture management

  • mineral-focused farming

  • health-terrain thinking

Practical Takeaways You Can Apply (Conceptually)

1. Evaluate soil by biological outcomes, not just yield

Ask:

  • Are animals thriving?

  • Is reproduction strong?

  • Are disease patterns rising?

  • Is forage truly mineral-dense?

2. Think in mineral relationships

Not just “deficiency” but:

  • antagonism

  • lock-up

  • imbalance ratios

  • assimilation quality

3. Watch the whole chain

A problem showing up in livestock or people may have begun:

  • seasons earlier

  • in the field

  • in soil chemistry/biology

Copper references in Soil, Grass and Cancer (high-level)

1) Copper and catalase / anti-cancer defense

  • “Copper is necessary for the synthesis of catalase…”

  • and links copper disorder to cancer metabolism (with altered blood copper handling in cancer).

(That snippet specifically points back to earlier pages in the book: “see pp. 111, 114” and “see p. 129.”)

2) Copper metabolism disorder in cancer

The same snippet says Voisin describes cancer as being associated with a “profound disorder of copper metabolism”, including increased mobilization of copper in blood.

3) Copper omitted in some water-mineral analyses (Voisin notes this as a limitation)

In the section discussing Dutch water/cancer correlations, Voisin notes that only a few elements were analyzed and explicitly says:

  • “Copper and molybdenum, for example, were not analyzed.”

He repeats that this limits interpretation because important elements like copper were missing from the analysis.

4) Secondary source confirmation (book review)

A Weston A. Price Foundation review also states that Voisin devotes “several fascinating chapters” to the role of copper in the soil, and mentions his copper/catalase discussion.

What this means (in Voisin’s framework)

Copper is not treated as an isolated “one nutrient fix,” but as part of a soil-mineral balance → plant/animal/health chain, including enzyme function and cancer-related metabolic changes.

Copper references in Soil, Grass and Cancer

1) Soil copper deficiency as an upstream cause

Voisin repeatedly ties deficiency of copper in the soil to downstream animal (and potentially man) metabolic problems, and explicitly says unbalanced farming/fertilizer practices can create copper deficiency in soil.

    • “Deficiency of copper in the soil…” (chapter/topic heading context)

    • unbalanced fertilizers can create soil copper deficiency

2) Copper and sterility (especially cows)

There is a dedicated section titled “Copper and sterility” where Voisin discusses fertility problems in cows in copper-deficient districts and improvement after copper administration.

    • copper deficiency and sterility in cows

    • reports from Weybridge research

    • “spectacular improvement” in reproductive efficiency after copper treatment.

3) Copper and bone health / fractures

Voisin has a section on copper in bone metabolism:

  • “Copper considered as a cement to repair bones” (chapter heading)

  • “Copper repairs the broken bones” (section heading)

  • “Copper permits the bone cell to ‘organize’ phosphorus and calcium” (section heading)

  • discussion of bone fractures caused by direct/indirect copper deficiency

This includes explicit mention of molybdenum antagonism to copper causing indirect copper deficiency.

4) Copper–molybdenum antagonism (plus sulphate factor)

This is a major theme in Voisin’s copper discussion.

  • “copper and molybdenum are antagonistic”

  • treatment of affected animals/pastures with copper and copper fertilisers

  • he notes the antagonism is complex and influenced by other factors (including sulphate ion)

5) Copper deficiency caused by nitrogenous fertilisers

There is a dedicated section/chapter heading:

  • “Copper deficiency caused by nitrogenous fertilisers”

Copper values in blood serum over a grazing season in relation to this topic and mention long-term nitrogen application on pastures.

6) Copper in milk / calves / blood-serum trends

Voisin discusses copper in milk and copper status in calves, including a specific table and observations:

  • “Milk is very poor in copper…”

  • parallel fall in copper and magnesium in blood/blood serum of milk-fed veal calves (Table 21 context)

This is one of the stronger “mineral relationship” sections (copper + magnesium)

7) Copper, anemia, heme, and hemoglobin synthesis

Voisin gives extensive copper references around blood formation and heme synthesis:

  • copper is essential for synthesis of the heme (section heading)

  • synthesis of hemoglobin is possible only in the presence of copper (section heading)

  • anemia from copper lack discussed as often confused with iron deficiency anemia

This is central to his biochemical copper framing.

8) Copper deficiency and catalase

This is one of the most important copper sections in the cancer-related evidence.

  • “Copper deficiency upsets the synthesis of catalase” (topic/page context visible)

  • “Copper deficiency reduces the activity of catalase in the liver” (section heading)

  • later summary statement: “Copper is necessary for the synthesis of catalase” with page references (pp. 111, 114) cited by Voisin in his own summary paragraph.

9) Copper mobilization in infection / blood serum copper / ceruloplasmin

Voisin discusses “general mobilization” of copper in infection and blood chemistry:

  • “General mobilization” of copper in anti-microbial defense (visible page/topic line)

  • “Synthesis of the heme of catalase is accelerated by copper mobilization” (section heading)

  • “Scarcity of copper makes its ‘general mobilization’ difficult” (section heading)

  • table references for copper and ceruloplasmin in blood serum and oxidase activity in infectious disease.

10) Copper deficiency and cytochrome oxidase / cell respiration

Voisin links copper deficiency to respiratory enzyme dysfunction and uses this in his cancer-metabolism evidence.

  • severe and mild copper deficiency reducing cytochrome oxidase activity

  • section heading: “Copper deficiency has a twofold effect on cytochrome oxidase”

  • Voisin’s inference that cytochrome oxidase may be affected both through heme synthesis and copper impoverishment of the enzyme system

11) Copper deficiency, phospholipids, sulphydryls, and energy transmission

Voisin extends copper deficiency into broader metabolic/cellular mechanisms:

  • “Copper deficiency reduces synthesis of the phospholipids in the liver” (visible heading)

  • “Copper deficiency in the soil upsets the metabolism of the sulphydryl groups in animal cells”(section heading)

  • he compares sulphydryl disruption from soil copper deficiency with carcinogen-related sulphydryl disruption.

12) Copper and cancer treatment/protection experiments

Voisin references historical therapeutic/protective experiments involving copper:

  • “Copper and lecithin in the treatment of skin cancers” (section heading)

  • “Injections of colloidal copper inhibit carcinoma in mice” (section heading)

  • he comments it would have been useful to track liver catalase during those experiments, but it was not done.

13) Copper metabolism disorder as part of his cancer-causation framework

This is the strongest explicit copper-cancer framing in the book.

Visible section headings/snippets include:

  • “Copper metabolism disorder is one of the causes of cancer”

  • “Copper and metabolic disorders in the cancerous cell”

  • summary line stating:

    • copper necessary for catalase synthesis (pp. 111, 114)

    • cancer accompanied by profound disorder of copper metabolism and increased blood copper mobilization (p. 129)

14) Copper omitted in some epidemiologic water analyses (Voisin flags this limitation)

In the Holland/soil-water-cancer discussion, Voisin notes limitations of trace-element analysis:

  • “Copper and molybdenum, for example, were not analysed.”

  • later line reiterates that definite judgment is harder because important elements like copper and molybdenum were not analyzed.

Useful page anchors visible in snippets (for copper-focused reading)

  • pp. 29–30 (copper deficiency / sulphydryl groups / wool context, referenced later)

  • pp. 35–40 (copper deficiency caused by nitrogenous fertilizers, referenced later)

  • p. 113 (copper deficiency reduces liver catalase; visible heading/page context)

  • pp. 111, 114 (Voisin cross-reference for copper and catalase synthesis)

  • p. 129 (Voisin cross-reference for blood copper mobilization in cancer)

  • pp. 180–181 (cytochrome system / cancer cell respiratory defect + copper deficiency discussion around cytochrome oxidase)

  • p. 195+ (copper + lecithin / skin cancer section starts around there in snippet context)

  • p. 248 (Holland analysis footnote noting copper/molybdenum not analyzed)

Voisin treats copper as a major thread across:

  • fertility

  • bone metabolism

  • mineral antagonism (Mo/Cu, sulphate)

  • blood / ceruloplasmin / catalase

  • cytochrome/respiration

  • cancer metabolism and therapy discussions.

Voisin has a section on copper in bone metabolism: • “Copper considered as a cement to repair bones” • “Copper repairs the broken bones” • “Copper permits the bone cell to ‘organize’ phosphorus and calcium” • discussion of bone fractures caused by direct/indirect copper deficiency

One of the most important Voisin copper sections, because it shows he was not treating copper as just a “trace add-on,” but as a structural mineral factor in bone integrity.

  • Copper deficiency (direct or indirect)
    →     bone-forming cells lose proper organizing capacity
    →     calcium + phosphorus may still be present, but not properly built into strong bone
    →     fragility / fractures / poor repair

That is a very different idea from the simplistic view:

  • “Bone problem = calcium deficiency only.”

Voisin’s framing is more like:

  • Calcium and phosphorus are building materials

  • Copper helps govern the biological use/organization of those materials

Meaning of the phrase “copper as a cement”

He is not saying copper literally replaces calcium in bulk bone mass.

He’s using “cement” as a functional metaphor:

  • copper supports the quality of bone construction/repair

  • copper deficiency can produce a situation where minerals are present but structural integration is poor

  • therefore bones can become more fracture-prone even when the issue is not simply lack of calcium intake

So in Voisin’s logic, copper acts more like a mineral organizer / enabler than a bulk bone mineral.

“Copper repairs the broken bones” – …what he is pointing to

This heading reflects observations that copper correction improved fracture healing / bone repair outcomes (especially in animal contexts and copper-deficient terrains).

The key principle is:

  • when the deficiency is corrected,

  • the organism regains better capacity to rebuild bone matrix and mineralize properly

Mineral language:

  • copper deficiency = impaired structural signaling + impaired mineral organization

  • copper restoration = restored coordination of repair

“Copper permits the bone cell to organize phosphorus and calcium”

This line is huge.

Voisin is explicitly saying the issue is not just “more Ca/P,” but whether the bone cell can organize them.

That implies a hierarchy:

  1. Cellular metabolic competence

  2. Mineral organization

  3. Bone strength

So if copper is low (or functionally blocked), then:

  • calcium may be eaten

  • phosphorus may be present

  • but bone architecture still suffers

This is why his framework is so compatible with a mineral-balance model.

Direct vs indirect copper deficiency

Voisin’s distinction matters:

Direct copper deficiency

  • Soil/forage actually low in copper

  • Animal intake low

  • Tissue function suffers downstream

Indirect copper deficiency

  • Copper may be present, but its function is impaired by antagonists

  • Voisin specifically discusses molybdenum antagonism (and related mineral interactions)

So an animal can show “copper deficiency effects” even when copper exists in the environment — because the balance/availability/function is disrupted.

That is classic Voisin:

  • balance > isolated numbers

Why this section is so important in the whole book

This bone section strengthens his larger thesis:

  • soil mineral imbalance does not just cause vague “poor health”

  • it can produce specific structural pathology (like fractures, poor fertility, anemia, etc.)

  • and those pathologies may trace back to trace mineral imbalance, especially copper and antagonisms

So bone fractures become, in Voisin’s framework, a visible endpoint of hidden mineral disorder.

Copper-centric bridge

  • master-mineral coordination logic

  • mineral antagonism (not just deficiency)

  • structural integrity as a metabolic outcome.

  • “materials vs organizer” distinction.

  • Ca/P = raw building mass.

  • Copper = part of the organizing intelligence of the build.