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Back to Natural Health Dr. Robert Selig designs 100% natural therapeutic regimens customized around a patient's specific biochemistry.
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Dr. Robert Selig, DC - Functional Medicine Practitioner and hair tissue mineral analysis expert - offers customized care plan packages to address chronic health issues affecting most of the population like mineral deficiency, fatigue, and copper toxicity. Blood tests do not provide enough information to properly address chronic health problems because they do not accurately measure deficiencies and toxicities at the root of all illness which is why we test our patients using serial hair tissue mineral analysis (HTMAs). Our mission is to identify, address, and manage chronic health problems in our patients using

Using HTMA helps us get to the root of chronic health problems in order to properly identify needs and address any deficiencies or toxicities. HTMA has been discovered to be the only test available that can accurately measure what is happening inside the cells, not just the blood. To properly address any issues, we give our patients the best nutritional medicine from around the world, and in conjunction, we employ time-tested natural healing methods to improve the efficiency and speed of the recovery process. Our approach has proven to significantly improve wellness, health, and vitality in adult and child patients without the use of expensive drugs and invasive medical procedures. Our goal is to help patients age gracefully and naturally—and avoiding unnecessary dangerous surgeries and future hospital visits. Dr. Selig explains to patients the CRITICAL importance of improving the inner gut terrain, following detoxification protocols, and enhancing the neuro-endocrine function by removing toxic metals in order to see improvement in overall mental, physical, and spiritual well-being. Patients receive invaluable natural health information to follow for the rest of their lives, and our most successful patients learn from Dr. Selig to create new natural healing habits tailored to their own lifestyle. Sign up for a free consultation to learn more at www.BackToNaturalHealth.com. We work with patients locally and worldwide—call with any questions at 773-325-2225 and book your appointment online!

Medical science has now given metalloestrogens their own distinct classification, recognizing that these metallic compou...
03/12/2026

Medical science has now given metalloestrogens their own distinct classification, recognizing that these metallic compounds may pose an even greater threat than the xenoestrogens I have been warning about for years.

Metalloestrogens represent a significant concern because metals possess the unique ability to move electrons, and electron movement is precisely how chemical reactions occur within the human body.

Unlike organic compounds that eventually break down, metals are fundamentally not biodegradable, meaning they do not degrade or disappear over time.

We have all heard about the concerning class of forever chemicals, but metals may actually be worse than these persistent compounds because they truly last forever in the environment and within biological systems.

Consider that when a body undergoes cremation and passes through extreme high heat, the resulting ash still contains every mineral and every toxic metal that accumulated during life.

Even exposure to the intense temperatures of a crematory cannot destroy these metallic elements, they simply remain present in the ash, unchanged and intact.

Humanity has recognized the permanence of metals since ancient times, naming the great cycles of history after them as the Golden Age, the Silver Age, the Bronze Age, and the Iron Age, reflecting a twenty-six thousand year cycle named for substances that never decay.

This eternal quality makes metalloestrogens more pernicious and more insidious than the classic chemical xenoestrogens that have already raised significant health concerns.

This is why metalloestrogens have emerged as a new and troubling classification requiring our immediate attention and understanding.

Dr. Robert Selig
BackToNaturalHealth.com

03/12/2026

Medical science has now given metalloestrogens their own distinct classification, recognizing that these metallic compounds may pose an even greater threat than the xenoestrogens I have been warning about for years.

Metalloestrogens represent a significant concern because metals possess the unique ability to move electrons, and electron movement is precisely how chemical reactions occur within the human body.

Unlike organic compounds that eventually break down, metals are fundamentally not biodegradable, meaning they do not degrade or disappear over time.

We have all heard about the concerning class of forever chemicals, but metals may actually be worse than these persistent compounds because they truly last forever in the environment and within biological systems.

Consider that when a body undergoes cremation and passes through extreme high heat, the resulting ash still contains every mineral and every toxic metal that accumulated during life.

Even exposure to the intense temperatures of a crematory cannot destroy these metallic elements, they simply remain present in the ash, unchanged and intact.

Humanity has recognized the permanence of metals since ancient times, naming the great cycles of history after them as the Golden Age, the Silver Age, the Bronze Age, and the Iron Age, reflecting a twenty-six thousand year cycle named for substances that never decay.

This eternal quality makes metalloestrogens more pernicious and more insidious than the classic chemical xenoestrogens that have already raised significant health concerns.

This is why metalloestrogens have emerged as a new and troubling classification requiring our immediate attention and understanding.

Dr. Robert Selig
BackToNaturalHealth.com

Apoptosis stands as one of the most essential processes in human biology, responsible for the systematic elimination of ...
03/06/2026

Apoptosis stands as one of the most essential processes in human biology, responsible for the systematic elimination of cells that are no longer needed or have become damaged.

This programmed cell death acts as a quality control mechanism, removing dysfunctional cells before they can cause harm or develop into malignancies.

Apoptosis is strongly regulated by the p53 protein, widely recognized as the guardian of the genome and one of the body’s primary anti‑cancer defenses.

For this guardian protein to function properly, it requires a tightly bound zinc ion that stabilizes its structure and allows it to fold into its active DNA‑binding form.

The zinc‑dependent structure of p53 facilitates the precise recognition of DNA and the coordination of downstream proteins, creating usable cellular “programs” that execute the commands encoded by the TP53 gene.

Without adequate zinc, p53 becomes less stable and loses much of its ability to bind DNA and regulate the removal of potentially dangerous cells before they become problematic.

This mechanism is one important reason why zinc status is critical for maintaining genomic integrity and may influence long‑term health and cancer risk.

Dr. Robert Selig
BackToNaturalHealth.com

03/06/2026

Apoptosis stands as one of the most essential processes in human biology, responsible for the systematic elimination of cells that are no longer needed or have become damaged.

This programmed cell death acts as a quality control mechanism, removing dysfunctional cells before they can cause harm or develop into malignancies.

Apoptosis is strongly regulated by the p53 protein, widely recognized as the guardian of the genome and one of the body’s primary anti‑cancer defenses.

For this guardian protein to function properly, it requires a tightly bound zinc ion that stabilizes its structure and allows it to fold into its active DNA‑binding form.

The zinc‑dependent structure of p53 facilitates the precise recognition of DNA and the coordination of downstream proteins, creating usable cellular “programs” that execute the commands encoded by the TP53 gene.

Without adequate zinc, p53 becomes less stable and loses much of its ability to bind DNA and regulate the removal of potentially dangerous cells before they become problematic.

This mechanism is one important reason why zinc status is critical for maintaining genomic integrity and may influence long‑term health and cancer risk.

Dr. Robert Selig
BackToNaturalHealth.com

Physicians in the mid-twentieth century routinely prescribed mercury-based diuretics to patients with high blood pressur...
03/06/2026

Physicians in the mid-twentieth century routinely prescribed mercury-based diuretics to patients with high blood pressure, unaware that each dose triggered a catastrophic loss of zinc through the kidneys at a ratio of one thousand zinc atoms sacrificed for every atom of mercury administered.

This intervention targeted the carbonic anhydrase enzyme and proximal tubules, sacrificing the body's zinc reserves through the urinary tract on a massive scale across millions of patients.

Zinc stands as the cornerstone for hundreds of physiological processes including DNA surveillance, immune function, and more than three hundred enzymatic reactions governing respiration, digestion, and cellular energy.

The moment toxic metals displace this master mineral, every physiological process dependent on these enzymes begins to show signs of degradation and failure.

What started as routine medical treatment may well have laid the foundation for the widespread zinc deficiency patterns we now see driving chronic disease across the population.

Dr. Robert Selig
BackToNaturalHealth.com

03/06/2026

Physicians in the mid-twentieth century routinely prescribed mercury-based diuretics to patients with high blood pressure, unaware that each dose triggered a catastrophic loss of zinc through the kidneys at a ratio of one thousand zinc atoms sacrificed for every atom of mercury administered.

This intervention targeted the carbonic anhydrase enzyme and proximal tubules, sacrificing the body's zinc reserves through the urinary tract on a massive scale across millions of patients.

Zinc stands as the cornerstone for hundreds of physiological processes including DNA surveillance, immune function, and more than three hundred enzymatic reactions governing respiration, digestion, and cellular energy.

The moment toxic metals displace this master mineral, every physiological process dependent on these enzymes begins to show signs of degradation and failure.

What started as routine medical treatment may well have laid the foundation for the widespread zinc deficiency patterns we now see driving chronic disease across the population.

Dr. Robert Selig
BackToNaturalHealth.com

What exactly is a zinc finger and why should you care about it?These fascinating protein structures make up a full ten p...
03/03/2026

What exactly is a zinc finger and why should you care about it?

These fascinating protein structures make up a full ten percent of all the proteins in your entire body.

More than one thousand genes in the human genome contain zinc finger components that actively regulate genetic expression.

These zinc fingers are constantly turning genes on and off, orchestrating the complex symphony of your biology.

In the basic structure, two beta sheets bind to specific amino acids that attach to a central zinc ion.

On the opposite side, an alpha helix with two additional amino acids also binds to the same zinc ion.

The zinc acts as a coordinator, drawing these two protein structures together into precise alignment.

This coordination allows the protein to assemble into its perfect three-dimensional fold, creating a usable and functional protein.

Without that central zinc ion holding everything together, the protein cannot form properly and remains useless.

This is why zinc is absolutely non-negotiable for proper genetic expression and protein synthesis throughout your entire system.

Understanding the zinc finger means recognizing that proper mineral balance literally shapes the proteins that run your entire biology.

Dr. Robert Selig
BackToNaturalHealth.com

03/03/2026

What exactly is a zinc finger and why should you care about it?

These fascinating protein structures make up a full ten percent of all the proteins in your entire body.

More than one thousand genes in the human genome contain zinc finger components that actively regulate genetic expression.

These zinc fingers are constantly turning genes on and off, orchestrating the complex symphony of your biology.

In the basic structure, two beta sheets bind to specific amino acids that attach to a central zinc ion.

On the opposite side, an alpha helix with two additional amino acids also binds to the same zinc ion.

The zinc acts as a coordinator, drawing these two protein structures together into precise alignment.

This coordination allows the protein to assemble into its perfect three-dimensional fold, creating a usable and functional protein.

Without that central zinc ion holding everything together, the protein cannot form properly and remains useless.

This is why zinc is absolutely non-negotiable for proper genetic expression and protein synthesis throughout your entire system.

Understanding the zinc finger means recognizing that proper mineral balance literally shapes the proteins that run your entire biology.

Dr. Robert Selig
BackToNaturalHealth.com

Find the full video on my YouTube channel - The War On Zinc & The Enemies Of Zinc | The Zinc Crisis (A World Without Zinc Pt. 2)

Millions of people are walking around with hypothyroidism and Hashimoto's without understanding the underlying mechanism...
02/26/2026

Millions of people are walking around with hypothyroidism and Hashimoto's without understanding the underlying mechanism.

Millions more present with low testosterone, low progesterone, low DHEA, elevated estrogen, high copper, and deficient zinc across the board.

Low vitamin D persists despite supplementation for countless individuals with no explanation for why it will not rise.

To activate your thyroid hormones, your s*x hormones, and your fat soluble vitamins, you must have a functional zinc finger.

The zinc finger is the structural mechanism that allows these hormones and vitamins to exert their biological effects.

If you have a zinc finger, and every human does, you must have adequate zinc to make it work.

Without sufficient zinc, the finger cannot fold, cannot bind, and cannot activate the very hormones governing metabolism, reproduction, and immune function.

This explains the epidemic of hormones gone crazy that we are witnessing across the entire population.

Low vitamin D, low testosterone, and imbalanced estrogen all trace back to this single mineral deficiency.

The foundational truth remains that widespread zinc deficiency drives the hormonal chaos we now accept as normal.

Dr. Robert Selig
BackToNaturalHealth.com

02/26/2026

Millions of people are walking around with hypothyroidism and Hashimoto's without understanding the underlying mechanism.

Millions more present with low testosterone, low progesterone, low DHEA, elevated estrogen, high copper, and deficient zinc across the board.

Low vitamin D persists despite supplementation for countless individuals with no explanation for why it will not rise.

To activate your thyroid hormones, your s*x hormones, and your fat soluble vitamins, you must have a functional zinc finger.

The zinc finger is the structural mechanism that allows these hormones and vitamins to exert their biological effects.

If you have a zinc finger, and every human does, you must have adequate zinc to make it work.

Without sufficient zinc, the finger cannot fold, cannot bind, and cannot activate the very hormones governing metabolism, reproduction, and immune function.

This explains the epidemic of hormones gone crazy that we are witnessing across the entire population.

Low vitamin D, low testosterone, and imbalanced estrogen all trace back to this single mineral deficiency.

The foundational truth remains that widespread zinc deficiency drives the hormonal chaos we now accept as normal.

Dr. Robert Selig
BackToNaturalHealth.com

Find the full video on my YouTube channel - The War On Zinc & The Enemies Of Zinc | The Zinc Crisis (A World Without Zinc Pt. 2)

When Nixon declared war on cancer in the 1970s, the reasonable expectation was that cancer rates would decline.Instead, ...
02/24/2026

When Nixon declared war on cancer in the 1970s, the reasonable expectation was that cancer rates would decline.

Instead, cancer has skyrocketed to the point where in 2024, one out of every two adults will receive a cancer diagnosis.

The explanation for this tragic trajectory lies partly in a microscopic structure called the zinc finger.

This zinc finger is the essential component of your DNA auditing system, the mechanism that keeps genetic material in check.

Zinc allows this protein to fold into the precise three-dimensional shape required to read the DNA code.

When functioning properly, it either repairs or deletes mutated strands of DNA that are constantly arising through normal cellular processes.

Research has now demonstrated that toxic metals including cadmium, arsenic, lead, and mercury directly displace the zinc from this critical finger structure.

Without zinc in place, the finger cannot fold properly, and the entire DNA auditing system is rendered useless.

Mutated sections of DNA that would normally be corrected or eliminated instead go completely unchecked.

This is the genesis of malignancy, the pathway through which tumors form and cancer proliferates.

When heavy metals kick out, displace, and block zinc, the protective mechanism fails and cancer rates inevitably rise.

Understanding this requires a deep look at the full mineral matrix, with zinc and magnesium emerging as the two all-stars of DNA surveillance and repair.

Through consistent detoxification and intelligent mineral balancing, we gain a real fighting chance at restoring the body's innate protective systems.

Dr. Robert Selig
BackToNaturalHealth.com

02/24/2026

When Nixon declared war on cancer in the 1970s, the reasonable expectation was that cancer rates would decline.

Instead, cancer has skyrocketed to the point where in 2024, one out of every two adults will receive a cancer diagnosis.

The explanation for this tragic trajectory lies partly in a microscopic structure called the zinc finger.

This zinc finger is the essential component of your DNA auditing system, the mechanism that keeps genetic material in check.

Zinc allows this protein to fold into the precise three-dimensional shape required to read the DNA code.

When functioning properly, it either repairs or deletes mutated strands of DNA that are constantly arising through normal cellular processes.

Research has now demonstrated that toxic metals including cadmium, arsenic, lead, and mercury directly displace the zinc from this critical finger structure.

Without zinc in place, the finger cannot fold properly, and the entire DNA auditing system is rendered useless.

Mutated sections of DNA that would normally be corrected or eliminated instead go completely unchecked.

This is the genesis of malignancy, the pathway through which tumors form and cancer proliferates.

When heavy metals kick out, displace, and block zinc, the protective mechanism fails and cancer rates inevitably rise.

Understanding this requires a deep look at the full mineral matrix, with zinc and magnesium emerging as the two all-stars of DNA surveillance and repair.

Through consistent detoxification and intelligent mineral balancing, we gain a real fighting chance at restoring the body's innate protective systems.

Dr. Robert Selig
BackToNaturalHealth.com

Find the full video on my YouTube channel - The War On Zinc & The Enemies Of Zinc | The Zinc Crisis (A World Without Zinc Pt. 2)

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