Masters of Health Magazine October 2026 | Page 25

HOW THE WEEDKILLER GLYPHOSATE IS DESTROYING OUR HEALTH AND THE ENVIRONMENT

The Silent Spring of our time

ABOUT THE BOOK

Glyphosate is the active ingredient in Roundup, the most commonly used weedkiller in the world. Nearly 300 million pounds of glyphosate-based herbicide are sprayed on farms—and food—every year. 

In Toxic Legacy, MIT senior research scientist Stephanie Seneff, PhD presents stunning evidence based on countless published, peer-reviewed studies that glyphosate plays a major role in skyrocketing rates of chronic diseases, including cancer, gut dysbiosis, non-alcoholic fatty liver disease, autism, infertility, and more.

“Dr. Seneff’s work will change

the way we all think about food.”

—Mark Hyman, MD, New York Times bestselling author

“Unquestionably, one of the

most important books of our time.”

—David Perlmutter, MD, New York Times bestselling author

Praise for

TOXIC LEGACY

19:35–21:10 — Mitochondrial Stress and Reactive Oxygen Species

The experimental findings are then taken deeper into cellular energetics.

According to the study as presented in the podcast, exposure to the commercial formulation reduced cellular oxygen consumption while simultaneously increasing production of reactive oxygen species, including hydrogen peroxide.

This represents a potentially damaging combination: reduced mitochondrial energy production + increased oxidative stress.

Renal tubular cells require substantial ATP production to maintain electrolyte gradients and fluid balance. Mitochondrial dysfunction therefore offers a plausible pathway through which environmental exposures could make these cells particularly vulnerable.

The episode notes that this type of cellular injury is broadly consistent with the tubular pathology observed in CKDu patients.

21:10–23:05 — The Verdict: Glyphosate Is Not Proven to Be the Singular Cause

The podcast now returns to its original question.

Has the research demonstrated that glyphosate alone causes CKDu?

The answer given is no.

The studies discussed do not establish glyphosate as a singular, independent cause of the epidemic. Indeed, the geographic distribution of CKDu argues against such a simplistic interpretation: glyphosate is used across many regions where comparable CKDu epidemics have not developed.

The episode instead presents glyphosate as a potentially important facilitator, catalyst, or “master key” within a larger causal network.

Within this model, disease emerges when several factors converge—potentially including chemical exposure, water composition, heavy metals, extreme heat, dehydration, and impaired cellular defenses.

23:05–24:00 — The Larger Question of Synergistic Toxicity

The episode concludes by extending the CKDu investigation beyond agricultural communities.

Glyphosate residues and numerous other environmental chemicals can be encountered at much lower concentrations through food, water, and the general environment. The podcast does not claim that these ordinary exposures produce the same risks experienced by heavily exposed agricultural workers.

Instead, it raises a broader toxicological question:

How accurately can individual chemicals be evaluated when real-world human exposure occurs as mixtures rather than in isolation?

If biological effects depend upon combinations of exposures, nutritional status, dehydration, minerals, metals, mitochondrial function, and other variables, then evaluating each environmental compound independently may fail to capture important interactions.

The CKDu epidemic therefore becomes more than a kidney-disease mystery. It becomes a case study in synergistic toxicity and systems biology.

Conclusion

The research reviewed in this episode does not establish glyphosate as the singular cause of Chronic Kidney Disease of Unknown Etiology. Instead, it presents CKDu as a multifactorial disease arising from a complex interaction between environmental exposure and physiological stress.

Glyphosate occupies a prominent place in the hypothesis because of several proposed mechanisms: its ability to interact with metals, its potential effects on cellular protective pathways, occupational exposure patterns, and experimental evidence indicating mitochondrial and oxidative stress from glyphosate-containing formulations.

Yet the most important conclusion may be broader than glyphosate itself.

CKDu illustrates the limitations of looking for one isolated toxin responsible for one isolated disease. Environmental disease may instead emerge when several exposures that appear manageable individually interact within a vulnerable biological system.

The unanswered question left by the episode is therefore significant: If combinations matter more than individual exposures, how many other chronic illnesses might ultimately be understood not through a single cause, but through an overlooked web of causation?

In Part 2 we will investigate a potential approach to addressing CDKu.

REFERENCES

  • Glyphosate’s Synergistic Toxicity in Combination with Other Factors as a Cause of Chronic Kidney Disease of Unknown Origin.

  • Glyphosate Substitution for Glycine During Protein Synthesis as a Causal Factor in Mesoamerican Nephropathy.

  • The Effects of Glyphosate and Roundup® Herbicides on the Kidneys’ Cortex and the Medulla and on Renal Tubular Cells’ Mitochondrial Respiration and Oxidative Stress.

  • Glyphosate, Hard Water and Nephrotoxic Metals: Are They the Culprits Behind the Epidemic of Chronic Kidney Disease of Unknown Etiology in Sri Lanka?

  • Is Glyphosate a Key Factor in Mesoamerican Nephropathy?

  • Learn more about Dr. Stephanie Seneff and her book ‘Toxic Legacy’ here:

    https://stephanieseneff.net/book/

    And you can learn more about Victor Cozzetto at: https://www.vitagenics.me