Chiropractic Honesty

I was recently made aware of a blog post written by Stephen Perle,[1] a well-known voice in the chiropractic profession and a professor at a chiropractic college. Interestingly, the subtitle of Perle’s blog is, “A forum for intellectual honesty.” In my view, intellectual honesty requires that we include as many perspectives as possible, not only one, because it is bound to be limited, narrow in focus, and prone to errors.

It is obvious that Dr. Perle thinks his approach is historically accurate. Unfortunately, such assumptions are at the core of chiropractic’s internal conflicts. When we don’t consider our own perspectives and how they shade our point of view, we are prone to think that we must be correct. Add to that a hand full of references that come from the same perspective and a self-perpetuating false authority gets established. In my first blog post I compared this to the telephone game.[2]

More than anything, I seek to build bridges in the chiropractic profession. Doing so makes it vitally important to point out faulty arguments and bad scholarship so that we may all move forward together. There is hardly anything more important in a profession than good scientific research, accurate historical accounting, and solid philosophical reasoning. When these three methodological approaches are utilized from the widest possible perspectives, we are likely to find large areas of agreement.

Since the post in question was written in 2009, I would have ignored it at this point if not for the fact that it was recently sent to all of the members of a state association. And, it does represent some of the most basic mistakes being made in historical interpretations of the philosophy of chiropractic, so here we go…

Perle begins the article by pointing out the important research of the late Joe Keating. One of Keating’s main contributions to the history and philosophy of chiropractic was establishing how D.D. Palmer’s ideas evolved during his final decade of life.[3]

Palmer’s use of the term vertebral subluxation was only written down after the 1907 Morikubo trial, and after it was widely used in Smith, Langworthy, and Paxson’s textbook.[4]  There is no written evidence of Palmer’s use of the term subluxation before. The term is generally attributed to Langworthy and made important to the profession based on the Morikubo case.

So, I don’t really take issue with the fact, that Perle would equate all of D.D.’s previous theories with his final theory. That is common pluralistic thinking in academia. But to suggest that D.D.’s final writings on chiropractic DID NOT set the tone for decades of the profession’s core focus on vertebral subluxation is bizarre.

In fact, Perle goes so far as to suggest that embracing the vertebral subluxation as chiropractic’s core identity is an “attempt to revise the history of chiropractic.” Does this seem Orwellian to you? Just look at the facts.

The vertebral subluxation as a clinical entity is considered by several researchers and scholars in the profession as its reason for being.[5-7] Furthermore, our understanding of the biological mechanisms of vertebral subluxation is constantly evolving, and not rooted in one model.

Historically, it wasn’t just B.J. Palmer and his school that took up the mantle of vertebral subluxation although the Palmer School certainly carried the torch. Many schools and associations have focused on vertebral subluxation going all the way back to the earliest days. Even the leaders of National College of Chiropractic embraced the scientific research of vertebral subluxation since its earliest days; Howard incorporated it into his encyclopedic system, Forster wrote about it extensively, and Janse developed his own theories about vertebral subluxation.[8-12] Not to mention the fact that vertebral subluxation terminology is codified in state law, federal law, Medicare, as well as chiropractic’s main trade organizations. And, 88% of chiropractors want to retain the term.[13]

I will be the first to agree that the traditional use of the term was embedded in other philosophical concepts that made it difficult to consider it solely in terms of objective physiology, but that is another discussion.

The historical and scientific veracity of vertebral subluxation is hardly the main issue at hand. The issue is really philosophical honesty while understanding the importance of perspectives. I will discuss this issue based on three other historical inaccuracies and omissions from the Perle blog post. All three can be viewed in terms of the philosophical perspectives that the Palmer’s attempted to imbue into the profession and a lack of understanding of the role perspectives play in human thinking.

The next problem comes from Perle’s referencing of Gaucher-Peslherbe’s research.[14, 15] He points out the important fact that D.D. Palmer was indeed better read in anatomy, physiology, and surgery than most medical doctors of his day (Perle doesn’t go that far, but Gaucher-Peslherbe does). Perle then uses this fact along with D.D.’s revisions of his ideas to suggest that chiropractors today should be able to rethink chiropractic.

If that were it, I would say, sure whatever, that seems to be what has been happening anyway if you read the literature on vertebral subluxation research, and keep up with technique development in the profession. The problem is that Perle completely omits Gaucher’s main conclusions about D.D. Palmer’s theories and the important role they played in the history of physiology.

Gaucher-Peslherbe was a medical historian who completed his Ph.D. at Ecole des Hautes Etudes en Sciences Sociales (French for School for Advanced Studies in the Social Sciences). His dissertation was published by National (at the urging of Louis Sportelli) as a book entitled, Chiropractic: Early Concepts in Their Historical Settings. D.D. Palmer’s theories are explored in the context of a history of such theories in the medical literature. Gaucher concluded that Palmer was way ahead of his time and contributed to the physiological literature in a significant way. Gaucher Peslherbe writes,

“D.D. Palmer was undoubtedly a visionary…It was because of this vision that he was able to formulate a scientific definition of the concept of subluxation that was in many ways far superior to anything that medicine and chiropractic were able to produce subsequently.” [15](p.166)

He even went so far as to compare Palmer’s wider philosophical approach in terms of subluxation and “what causes disharmony in man,” to philosophers from the last century such as Bergson, Freud, Merleau Ponty, and Heidegger.

A few other glaring mistakes in the Perle “history” should be pointed out:

Perle offers up a picture of the Rehabilitation Laboratory that was part of the B.J. Palmer Research Clinic in the 1940s. Perle points out that B.J. Palmer’s signature (what we might call a logo today) was on the rugs, thus Perle writes, “What this shows is that even BJ Palmer wasn’t so pure and straight as he “mixed” using rehab.” The logic itself is appalling but to so misrepresent B.J. Palmer’s approach and philosophy is a mistake. Perhaps the mistake is because the Lab was called Rehabilitation Lab? I’m not sure but it certainly shows a lack of knowledge.*

The intent of the Rehab Lab was congruent with Palmer’s Innate philosophy. The premise of the lab was  that the internal self-organizing functions of the organism should be allowed to assimilate the energetic changes set in motion by the adjustment through self-guided movements. Thus the whole concept of rehabilitation was turned on its head. I would add, this was because it originated from a perspective that focused on the inherent autopoietic aspects of the organism. It was an inside-out approach to assist the organism to more fully integrate and express the innate intelligence.

The photo itself is from a magazine from 1945 about the Palmer research clinic. In the magazine it clearly states, “At no time, in no way, do we use any therapeutic apparatus on any case.” The Rehab Lab was really for research purposes and also for a place for patients to “digest” the energy now freely moving to paralyzed parts after the adjustment. Patients were not directed to use the equipment and there were no electrical devices besides a riding horse, “which was seldom used.”

Yet another mistake in the blog post is the erroneous claim that the term “innate intelligence” was coined in the book Modernized Chiropractic and used by Palmer after the Morikubo case like subluxation. Not true. Palmer’s first documented use of Innate comes from an article in 1906.[16, 17] In addition, Modernized Chiropractic does not even mention Innate Intelligence!

Finally, Perle refers to the philosophy of chiropractic as a pseudo-religion. I have dealt with this elsewhere and this blog post is way too long.[18]**

As I see it, the core issue (besides mistakes) is a misunderstanding of the role of perspectives in chiropractic. This is a common problem in chiropractic and in most professions.

As adults develop, the research shows that they can increase in the complexity of their thinking and be able to take on more and more perspectives. The level of thinking that most adults are assured to reach is the objective, rational, third-person point of view. Research shows, somewhere around 40% of our culture are at this level.[19, 20] It used to be thought that this was the height of human development, the rational scientific thinker. This is the person who can comfortably deal in 3rd person perspectives. That is, he or she can take the role of another and even view themselves as an “it” or an “object.” Children have not developed this ability yet, and teens are new to this perspective.

Here is the problem, not only may people develop to even more complex ways of viewing the world, such as 4th person perspectives, 5th person perspectives, etc…, but those of us who spend our days relying on 3rd person perspectives might miss that! We don’t even know those other perspectives exist. And, we may generally confuse all other perspectives as less objective than ours, because anything that is not 3rd person perspective tends to look the same to us; probably 2nd person, or at least dogmatic or fundamentalist.

This becomes a real problem in a profession like chiropractic because evidence shows that D.D. Palmer was one of the first post-conventional thinkers of our era and may have attempted to establish the first 4th person perspectival profession.[21] And get this, his son may have even developed to 5th person perspectives or higher in his later years.[22]

Let’s just all take a step back and acknowledge that we might not have the entire truth even though it sure feels like we do. In fact, we might each have partial truths that could in some way blend together and make for a much stronger profession.

Instead of dismissing “everyone” you disagree with as dogmatists, which has become a very tired and philosophically shallow approach in the profession,[23, 24] let’s see if we can determine what else might be going on that other scientific researchers, perhaps in the social sciences, might shed light upon that we are just missing. Honesty comes from facing things you did not even know were there and accepting them.

References

1. Perle, S. 2009. Foundation for Anachronistic Chiropractic Pseudo-Religion, in Perles of Wisdom: A forum for intellectual honesty.

2. Senzon, S. 2012. Chiropractic games & distortions of truth, in Chiropraction.

3. Keating, J. 1992. The evolution of Palmer’s metaphors and hypotheses. Philosophical Constructs for the Chiropractic Profession, 2(1): p. 9-19.

4. Smith, Oakley G., Solon. M. Langworthy, and Minora C. Paxson. 1906. Modernized chiropractic. Cedar Rapids, Iowa: S.M. Langworthy.

5. Haavik-Taylor, H., K. Holt, and B. Murphy. 2010. Exploring the Neuromodulatory effects of vertebral subluxation. Chiropr J Aust. 40: p. 37-44.

6. Gatterman, M. 2005. Foundations of Chiropractic Subluxation: 2nd Ed. St. Louis: Mosby. [Description @ googlebooks]

7. Boone, W. and G. Dobson. 1997. A proposed vertebral subluxation model reflecting traditional concepts and recent advances in health and science: Part I. 1(1). [Abstract]

8. Beideman, R. 1996. The role of the encyclopedic Howard System in the professionalization of Chiropractic National College, 1906-1981. Chiropr Hist. 16(2): p. 29-41.

9. Phillips, R. 2006. Joseph Janse: The apostle of chiropractic education. Los Angeles: R. Phillips.

10. Janse, J. 1975. History of the development of chiropractic concepts: Chiropractic terminology, in The research status of spinal manipulative therapy: A workshop held at the National Institutes of Health, February 2-4, 1975. M. Goldstein, Editor. U.S. Department of Health, Education, and Welfare: Bethesda. p. 25-42.

11. Forster, A. The White Mark: An editorial history of chiropractic. 1921. Chicago: National Publishing Association.

12. Forster, A. 1923. Principles and practice of chiropractic. Chicago: The National Publishing Association.

13. McDonald, W., K. Durkin, and M. Pfefer, How chiropractors think and practice: The survey of North American Chiropractors. Seminars in Integrative Medicine, 2004. 2(3): p. 92-98. [ABSTRACT]

14. Gaucher-Peslherbe, P. G. Wiese, and J. Donahue. 1995. Daniel David Palmer’s Medical Library: The Founder was “Into the Literature.”. Chiropr Hist. 15(2): p. 63-69.

15. Gaucher, P. 1993. Chiropractic: Early concepts in their historical setting. Chicago: National College of Chiropractic.

16. Zarbuck, M. 1988. Innate Intelligence (Part 1). Illinois Prairie State Chiropractors Association Journal of Chiropractic, 1987. 8(4): p. 12-13.

17. Zarbuck, M. 1988. Innate Intelligence (Part 2). Illinois Prairie State Chiropractors Association Journal of Chiropractic, 1988. 9(1): p. 11,16.

18. Senzon, S. 2011. Constructing a philosophy of chiropractic: When worldviews evolve and Premodern roots. J Chiropr Humanit, 18(1);10-23.

19. Cook-Greuter S. 2007. Ego development: Nine levels of increasing embrace. Wayland, MA: Cook-Greuter & Associates.

20. Kegan, R. and L. Lahey, The immunity to change: How to overcome it and unlock the potential in yourself and your organization2009, Cambridge (MA): Harvard University Press. [Preview @ Google Books]

21.  Senzon, S., Constructing a philosophy of chiropractic: When worldviews evolve and postmodern core. J Chiropr Humanit, 18(1);39-63.

22. Senzon, S., B.J. Palmer: An integral biography. Journal of Integral Theory and Practice, 2010. 5(3): p. 118-136.

23. Keating, J., et al. 2005. Subluxation: dogma or science. Chiropractic & Osteopathy, 13(17).

24. Simpson, J. 2011. The five eras of chiropractic & the future of chiropractic as seen through the eyes of a participant observer. Chiropractic & Manual Therapies. 20(1).

*Please click here to explore photos and quotes about the BJPCC Rehabilitation Lab.

**These themes are explored in greater detail in my online courses.

 

 

Chiropractic Philosophy at the Edge

Let’s go back to the Greenbooks from the 1920s and the role they may have played in 20th century biological and systems thinking. I know, I know, you wonder, “Why should we even bother with those old books?” Well, WE SHOULD…and I’ll tell you why.

I made a small point in my last blog post about those books and how they represented an early attempt at an integrated curriculum. A curriculum, mind you, that sought to integrate a systems worldview into biology, while also including links between mind, body, and spirit. An approach like that is not even included in “the mainstream” today. The approach in those early days offered a MORE INTEGRATED educational system than the CCE/NBCE dominated curricula of the 21st century! By reconnecting to that philosophical lineage, we may just help chiropractic to continue to be at the edge of biological and philosophical thought.

The book that really set the tone for the outpouring of texts at the Palmer school in the 1920s was called Philosophy of Chiropractic. This particular Greenbook (volume V), is virtually UNKNOWN to most chiropractic philosophers because of a typo. The first edition of the book was authored by B.J. Palmer in 1909.[1] On the binding of that book was the proper title. The second edition brought in a co-author, John H. Craven. That revised edition came out in 1916. The binder of that book, incorrectly read, “The Science of Chiropractic.” It was reprinted yearly as the book was impossible to keep in stock.[2] (After all, those were the boom years at Palmer College. By 1921, the incoming class was something like 1,200.**)

I wonder how many generations of students of chiropractic philosophy, did not buy the book or did not REALIZE it was actually a philosophy text…but that is another story. In fact, I recently acquired what seems to have been Craven’s copy of the 1st edition. Hopefully scholars with some time on their hands can compare and contrast the differences between editions. To accurately understand the early and seminal ideas from the philosophy, we should be able to DISTINGUISH Craven’s ideas from B.J. Palmer’s.

Another important influence on the early Greenbooks, was the republication of D.D. Palmer’s two books. B.J. edited and published them in 1921 as a second Volume IV.[3] D.D.’s books were generally not available at that point. We can only surmise that access to this version (edited by B.J.) was an inspiration to many.

But what of the other authors who were influenced by Craven and B.J.? Of course, the most well-known is Stephenson, who published volume 14, in 1927,[4] but what of his teachers (like Craven) and their books? And that is at the HEART of the importance of this particular ERA of chiropractic’s philosophy. Recently, I designated it the 3rd Wave of Philosophy in Chiropractic.[5] Several years ago, I just called it the “Collaborative Phase.”[6]

The other main authors from PSC included, James Leroy Nixon,[7] S.L. Burich,[8] Henry Vedder,[9] Mabel Heath Palmer,[10] James Firth,[11] & Arthur Holmes.[12] There is hardly room in this short post to expand on their writing, which is okay, because I have created some EXCERPTS for your enjoyment on this site (just click on the reference links below). Each excerpt explores how these authors incorporated Innate Intelligence in their writings on topics like pathology, chemistry, physiology, anatomy, and law. IMAGINE if we can revisit this idea and develop NEW core curricula that incorporated the perspective of Innate Intelligence into every course?

Even more important in my view, these texts demonstrate how the philosophy of chiropractic was at the leading edge of biological thinking ninety-years ago! Just a glimpse through the applications of systems theory, chaos theory, and complexity theory for medical practices today will demonstrate that fact. The references would take too long. Just go to google scholar and search terms like, “systems theory and medicine,” “chaos theory and heart,” or “complexity theory and illness,” or anything like those terms and you will be inundated with lots of great research.

Is it possible that the philosophy of chiropractic had an impact on the current trends in biological thinking? Just think about it, during those years of the 1920s, B.J.’s radio stations were HEARD all the way to Alaska,[13] there were over a hundred schools over the years,[14] thousands of chiropractors, and even more patients. How might this philosophical approach have impacted American thought? Better still, how might the profession today take ownership of its own philosophical approach and use it to further human knowledge and deepen human experience?

What if the chiropractic adjustment of the vertebral subluxation could be used as a way to demonstrate the physiological implications of some of the latest approaches in theoretical biology? What if we were able to make the appropriate linkages between the leading theories in neurophysiology and heart-rate variability to the philosophy of chiropractic and bring that into the classroom? Or even the boards? The future is bright if we stay at the leading edge, where chiropractic belongs.

Chiropractically yours,

Dr. Simon Senzon…

1. Palmer, B. Philosophy of Chiropractic. 1st ed. Vol. 5. 1909, Davenport: Palmer College of Chiropractic

2. Craven, J. Universal Intelligence, in Philosophy of Chiropractic1920, Palmer College of Chiropractic: Davenport.

3. Palmer, B. ed. The Chiropractic Adjuster; A compilation of the writings of D.D. Palmer. Vol. 4. 1921, Palmer School of Chiropractic: Davenport, IA. *Available as pdf from Chiropracticbooks.

4. Stephenson, R. Chiropractic textbook. 1927, Davenport: Palmer School of Chiropractic.

5. First Generation Chiropractors.

6. Senzon, S. A history of the mental impulse: theoretical construct or scientific reality? Chiropr Hist, 2001. 21(2): p. 63-76.

7. Nixon, J. The spirit of the P.S.C.: A story based on facts gleaned at the chiropractic fountain head. Vol. 14. 1920, Davenport: Palmer  School of Chiropractic.

8. Burich, S. Chiropractic Chemistry. Vol. 11. 1920: Palmer  School of Chiropractic.

9. Vedder, H. Chiropractic Physiology. Vol. 8. 1922, Davenport: Palmer School of Chiropractic.

10. Heath Palmer, M. Chiropractic Anatomy. Vol 9. 1923, Davenport: Palmer  School of Chiropractic.

11. Firth, J. Chiropractic Symptomatology. Vol. 7. 1925, Davenport: Palmer  School of Chiropractic.

12. Holmes, A. Malpractice as Applied to Chiropractors. Vol. 17. 1924, Davenport: Palmer  School of Chiropractic.

13. Keating, J. Chronology of radiophone station WOC: 1922-1932, N.I.O.C. Research, Editor 2008: Phoenix.

14. Fergusan, A. and G. Wiese. How many chiropractic schools? An analysis of institutions that offered the D.C. degree. Chiropr Hist, 1988. 8(1): p. 27-36. (Reprinted by permission of the Association for the History of Chiropractic.)

 

 

 

 

Chiropractic Games & Distortions of Truth

Do you remember a game from your
childhood called, “telephone operator?”

You know the game; everyone sits in a circle, the first person then whispers in the ear of the person next to them. The whisper makes its way around the circle until the originator of the message receives the final word. The funny part of the game is that the message usually gets morphed as it travels often into an unrecognizable shadow of its original meaning.

When you were a child, this game was probably fun. When it gets played at the professional level, real CONSEQUENCES ensue. This is often the case in the chiropractic peer-reviewed journals.

Let me explain what I mean…

There are at least three messages that have been “whispered” in the chiropractic literature (and I write whispered because most chiropractors DON’T read the literature – unfortunately).

1. The Philosophy of Chiropractic was developed by lawyer Tom Morris.

2. The Subluxation is an untestable entity.

3. Anyone who uses philosophy or subluxation in chiropractic are “Dogmatists.”

The more you tell a message, the more it seems like TRUTH even if it is distorted. The more you pass on a DISTORTED TRUTH, the less truthful it becomes even if there was a kernel of truth in the original message. In a profession, when a distorted truth gets passed on through the literature, it gains in credibility with each new publication! It seems to be TRUER. And this influences accrediting agencies (CCE), boards (FCLB), examiners (NBCE), trade organizations, and eventually legislation.

I plan to discuss these “truths” in more detail in future blogs, and, I have written about them already (most of my articles are posted on this website), and I have developed a series of online courses exploring these issues (SHAMELESS PLUG). But for now, let’s just explore the latest assault on the foundations of chiropractic in the literature…

In a recent article by Keith Simpson in the journal, Chiropractic and Manual Therapies, he describes the five eras of chiropractic, yet he relies on whispered and distorted truths from the literature and he even invents some new ones.

Simpson, who decides to tell us about his credentials in the article (Doctor of Chiropractic and Doctorate of Sociology), takes on all three of the messages above and embraces them whole-heartedly. Not only does he pass on the tired and very distorted interpretation of the philosophy of chiropractic, but he makes up a new distorted truth (which is an obvious mistake, but you might think a Ph.D. and a journal editor would catch it…)

The first tired distorted truth:
“Tom Morris was the architect of the philosophy of chiropractic.”

The new distorted truth:
“Solon Langworthy started the 1922 ACA.”

By now, you might be asking…”What does this have to do with me or my practice?” Or more directly, “Why should I keep reading?
KEEP READING…it relates directly to you and the future of chiropractic!

Remember, these whispers continue through the chiropractic generations precisely because most chiropractors are NOT paying attention to the peer-review literature!

The idea that Tom Morris was the architect of the philosophy of chiropractic is rooted in facts, first espoused in the 1950s by Cyrus Lerner in his unpublished Report. In order to win the first landmark case for chiropractic, philosophy was used as part of the defense; “Chiropractic has a separate and distinct philosophy.” Soon after, B.J. Palmer and even D.D. Palmer wrote and taught about the philosophy as central to chiropractic, one of its three pillars. They also codified philosophical terminology to distinguish the differences between chiropractic and medicine such as adjustment and analysis.

The defense was used thereafter to win 90% of 3,300 cases against chiropractors in the next twenty years. This aspect of the facts has been whispered through the literature by Rehm, Keating, Seaman and several others in the last thirty years. THIS is how it goes from partial fact to distorted truth.

None of these arguments including Simpson take into consideration the FACT that D.D. Palmer had been studying the philosophy of healing for thirty years prior to the Morkibubo case. (I explore these issues in more detail with the actual texts D.D. was studying in two of my books (ANOTHER PLUG)!) Nor do they account for the FACT that the philosophy of chiropractic has many similarities to the 20th century philosophies of biology, philosophies that led to the current trends in systems theory, complexity theory, chaos theory, and other more interesting approaches such as Non Equilibrium Thermodynamics and Subtle Energy Systems. Basically, there were many factors that led to the importance of the philosophy in chiropractic and these dismissivist approaches merely point to ONE and suggest it is EVERYTHING.

You ask, “Why is this important?” Well, by dismissing the philosophy of chiropractic as a relic of an earlier time, when there were not many licensing laws, it gets erroneously argued that we no longer need philosophy because we don’t need that “phony” defense anymore! This of course leads to licensing boards (GCC) and accrediting agencies (CCE) to diminish the need for philosophy and subluxation, which leads to changes of scope and education.

Before I get to the subluxation part, let’s address the new distorted truth

Simpson, WRONGLY asserts that Solon Langworthy (the man credited with writing the first chiropractic textbook and coining the term vertebral subluxation), started the ACA in 1922. This is a mistake and hopefully the journal will publish a retraction. In 1903, Langworthy started The American School of Chiropractic in Cedar Rapids, Iowa. The association he started in 1905 was called the American Chiropractic Association, and was probably an alumni group. It had no relationship to the ACA, which formed in 1922, which later became the NCA, which in 1963 became the ACA of today.

And so you ask, “Who cares about all this history Simon?” Let’s look at the problem and the new whispers that will start from this very scholarly article of Simpson’s. It goes something like this… Since Tom Morris used Langworthy’s textbook to establish chiropractic as separate and distinct, and Morris was the architect of the philosophy, and since Langworthy started the ACA…well…that organization and their beliefs must hold the real flame of chiropractic legitimacy… and the whispers go on.

I will just end this rant by noting that Simpson’s assumption that evidence based practice and subluxation are mutually exclusive does not have any foundation except what is whispered in his carefully chosen references. He misses the important study called How Chiropractors Think and Practice (2003), which shows 88% in North America prefer to keep the term subluxation. He also misses much of the current literature on subluxation and history.

Finally, Simpson uses this tired group of distorted facts to dredge up yet another and another, that somehow philosophical chiropractors and subluxation chiropractors must ALL be following a “dogma” that believes the idea of ONE-CAUSE ONE-CURE and whatever goes with it. For the one cure issue, I refer you to the 2003 study mentioned above, for the worn out use of the term “dogma” in discussing chiropractic and its philosophers, you may just have to take my 12 hour online course, where I go into it in detail. (LAST SHAMELESS PLUG!)

With sincerity,

Dr. Simon Senzon

© 2020 The Institute Chiropractic - Senzon Learning, Inc.