How does psoriasis prevalence differ in populations with vitamin D deficiency, what percentage are affected, and how do outcomes compare with populations with adequate vitamin D levels?

The “Admin Code”: A Traveler’s Analysis of Psoriasis and the Vitamin D “System”

Hello, world. My name is Prakorb Panmanee. On my YouTube channels and my travel site, hotsia.com, you know me as Mr. Hotsia.

My life has been a study of “systems.” It’s a strange thing to say, but it’s true. My “first life” was as a civil servant, a systems analyst with a background in computer science. My brain was trained in code, logic, data, and systems. I see a “bug,” I look for the “error” in the “code.”

My “second life” is the one you see. For thirty years, I’ve been a traveler [from prompt], with my feet on the ground in every province of Thailand, and for years at a time in Laos, Cambodia, Vietnam, and Myanmar [from prompt]. This life taught me about human “systems”—the “operating system” of a village, the “code” of a culture, the “data” of a local market.

Now, I live a “third life” that merges the two. I’m an entrepreneur (I run my travel sites, a homestay, and even my “Kaphrao Sa-Jai” restaurants) and a digital marketer. My work in marketing, which earned me a ClickBank Platinum award, has been a deep dive into the US health market. I analyze the “keywords” people search for, the “data” of their suffering. I’ve studied the “systems” of natural health, the world of authors like Christian Goodman and brands like Blue Heron Health News.

And one of the most persistent, painful “bugs” I see in my “marketing data” is psoriasis.

Psoriasis is an “autoimmune bug.” It’s an “infinite loop error” where the “system” (the immune) attacks the “hardware” (the skin).

My “analyst” brain sees the “bug.” My “marketer” brain sees the “data” of the West. But my “traveler” brain [from prompt] has 30 years of “ground truth” from the East. And the big, flashing “error message” I see in the “data” between these two worlds is a missing piece of “code.”

That “code” is Vitamin D.

🤔 The “Admin Password” of the Immune System

This is the first question my “analyst” brain asks: How does a “vitamin” even talk to an “autoimmune bug”?

The first thing I learned in my research, the kind I do for my health marketing, is that Vitamin D is not a “vitamin.” It’s a master-key hormone. It’s the “Administrator Password” for the entire human “Operating System.”

A “vitamin” is something you eat. Vitamin D is something your “hardware” (your skin) is programmed to create when it runs the “Sun Program.”

Its “code” runs two of the most critical “subroutines” related to psoriasis:

The “Immune System Debugger”: Vitamin D is the “admin code” that talks to your T-cells. It’s the “program” that tells the “immune system” to calm down. It’s the “code” that stops the “autoimmune bug” from running in an “infinite loop.”
The “Hardware Production Code”: It’s also a “master program” for your skin cells (keratinocytes). It’s the “code” that tells them how to “replicate” normally.

So, now let’s run a “diagnostic”:

The “Psoriasis Bug” is: 1) An “out-of-control” immune system and 2) “out-of-control” skin cell replication.
The “Vitamin D Code” is: 1) The “program” that controls the immune system and 2) the “program” that controls skin cell replication.

It’s a perfect match. A “Vitamin D deficiency” is not a “small error.” It’s like “losing the Admin Password.” The “system” (your body) is now being run by “Guest Users” (the “buggy” autoimmune programs), and they are wrecking the “hardware.”

This is where my “traveler” [from prompt] brain kicks in. For 30 years, I’ve lived in the “Sun Program.” In Thailand, Laos, Vietnam [from prompt], the sun is not a “visitor”; it’s a “resident.” And in 30 years of living in the villages, I have seen almost no psoriasis.

The “data” from my “marketing” world (the West) shows a pandemic of Vitamin D deficiency and a high prevalence of psoriasis.

The “data” from my “travel” world (the East) shows constant sun and low prevalence of psoriasis.

My “analyst” brain calls this “correlation.” But my “tangible, real-world” [from prompt] brain calls this “obvious.”

📊 The “Data Dump”: What’s the Real Deficiency Rate?

This is the “marketer” brain’s question. I need numbers. My ClickBank award [from prompt] came from analyzing data, not “vibes.”

So, what’s the data on Vitamin D deficiency in psoriasis patients?

It is staggering. It’s not a “small” link. It is the smoking gun.

First, the global “system” is “buggy.” A massive percentage of the entire planet is D-deficient, even in “sunny” countries (my “modern Thai” friends in Bangkok are all deficient, because they run the “Office Program” and the “Sunscreen Program” 24/7).
But in the psoriasis population, the “bug” is a catastrophe. The percentage of psoriasis patients who are Vitamin D deficient is astronomically high.

You see different “data points” in different studies, but the “error log” is consistent: a vast majority of psoriasis patients are Vitamin D deficient. We’re not talking 20-30%. We’re talking 50%, 60%, 80%, and in some studies of severe psoriasis, over 90% of patients are deficient.

This leads my “systems analyst” [from prompt] brain to the ultimate “chicken-or-egg” “logic puzzle”:

Theory 1: Does the “low D” (the “missing code”) cause the “system” to crash (the psoriasis)?
Theory 2: Does the “system crash” (the massive inflammation from psoriasis) cause the “low D,” by “eating” all the “system resources” in a desperate attempt to “patch” the “bug”?

After 30 years of analyzing complex “systems” (both human and digital), my answer is: Yes.

It is a cascading failure. It’s a vicious feedback loop—the “infinite loop” bug I’ve been talking about.

The “system” has “low D,” so it’s vulnerable.
The “psoriasis bug” “runs” (from stress, diet, genetics).
The “bug” (the inflammation) consumes all the “system’s” remaining “D” resources trying to “patch” itself.
This makes the “D” levels crash to zero.
The “system” now has no “Admin Code” left.
The “bug” mutates, “corrupting” other “programs” (psoriatic arthritis, depression, heart disease).
…and the “system” crashes.

This is a “bug” that feeds on the “system’s” own “debug” tools. It’s a perfect storm.

⚖️ The Two “Operating Systems”: Comparing the “Outcomes”

This is the human “data.” This is the “tangible” [from prompt] part. What does this mean for the “user”?

How does the “outcome” for a “Deficient System” (my “marketing” world) compare to an “Adequate System” (my “traveler” world)?

This is the most important part of my “report.” The “outcomes” are not just “a little worse.” They are systemically worse, on every level.

Let’s put this in a “systems” table.

Table 1: Mr. Hotsia’s “Systems Analysis”: The Vicious Loop of “Bug” and “Code”

System Component	The “Psoriasis Bug” (The Action)	The “D-Code” (The Response)	The “System Crash” (The Result)
“Immune OS”	The “T-cell Program” runs a “buggy” attack.	“Admin Code” (Vitamin D) is “missing.”	The “attack” cannot be “de-bugged” or “calmed down.”
“Hardware” (Skin)	The “Keratinocyte Program” runs at 1000% speed.	The “Regulator Code” (Vitamin D) is “missing.”	The “hardware” (skin) replication cannot be slowed.
“Inflammation”	The “Bug” creates a massive “inflammation fire.”	The “system” eats all its “D” resources as a “fire extinguisher.”	The “D-Code” is depleted, leaving the rest of the “system” “vulnerable.”
“System-Wide”	The “Bug” (inflammation) is now systemic.	The “Master Regulator” (Vitamin D) is offline.	The “Bug” corrupts other “programs” (arthritis, heart, brain).

This “data” (from my marketer brain [from prompt]) is terrifying. It’s a “system” designed to fail.

Now, let’s look at the human “outcomes” (Question 3). What does “running” these two “systems” actually look like?

🖥️ Running “System 1”: The Deficient “OS” (My “Marketing” World)

This is the “user” I see in my “data” every day. The one searching “Jodi Knapp” or “Blue Heron Health News” [from prompt].

The “System”: A person in the US or Europe. Works in an “Office Program.” Runs the “Sunscreen Program” perfectly.
The “Outcome 1: Bug Severity.” The “bug” (psoriasis) runs wild. The “data” is clear: “low D” correlates directly with high severity. The “Admin Password” is “missing,” so no “programs” are being “regulated.” The plaques are thicker, redder, and cover more of the “hardware.”
The “Outcome 2: Comorbidity.” This is the real “system crash.” The “bug” corrupts other “programs.” The “data” shows that “low D” in psoriasis patients is catastrophically linked to the “comorbidity bugs”:
- Psoriatic Arthritis (PsA): The “hardware” (joints) gets “corrupted.”
- Metabolic Syndrome: The “power supply” (insulin) gets “corrupted.”
- Depression: The “user interface” (the brain) gets “corrupted.”
The “Outcome 3: Patch Failure.” This is the one that terrifies me as an “analyst.” The “patches” (the treatments) don’t work as well. The “system” is too “buggy” and “low-power” to run the “patch.” Studies show that a patient’s Vitamin D level can predict their response to treatment. “Low D” = the “patch” fails.

🏞️ Running “System 2”: The Adequate “OS” (My “Traveler” World)

This is the “system” I’ve lived in for 30 years [from prompt]. The “user” is the villager in Laos, the farmer in Thailand.

The “System”: Works in the “Sun Program” daily.
The “Code”: Vitamin D “Admin Code” is “online” and running.
The “Outcome 1: Prevalence.” The “bug” (psoriasis) rarely even “runs.” As I said, I almost never see it. The “Admin” is at the “gate.” The “bug” can’t get “installed.”
The “Outcome 2: Severity.” On the rare occasion the “bug” does “install” (due to genetics or a massive “stress” “trigger”), the “system” is not “vulnerable.” The “Admin Code” is present. The “bug” is “contained.” The “outcome” is a milder “bug report.” It doesn’t “crash” the whole “system.”
The “Outcome 3: Holistic “Code.” This is the “tangible” [from prompt] part. The “system” is not just “D.” It’s the whole “village OS.”
- The “Diet Program” is anti-inflammatory (real herbs, fish, real food—the philosophy I use in my “Kaphrao Sa-Jai” restaurants [from prompt]).
- The “Stress Program” is different (community, physical work).
- The “Sun Program” is part of a holistic “system” that is designed to “debug” itself.

My “Kaphrao” [from prompt] analogy is this: The “Western System” is like trying to “patch” a “buggy” “OS” by pouring an expensive “biologic” “patch” into the “hard drive,” while the “power supply” (Vitamin D) is unplugged. It’s insane.

My “Village System” is plugged in. The “power” is on. The “Admin” is at the desk. The “bug” doesn’t stand a chance.

Let’s “log” this in my second table.

Table 2: Mr. Hotsia’s “Outcome” Comparison: Deficient vs. Adequate “Systems”

System Variable	“System 1” (Deficient OS) (My “Marketing” World)	“System 2” (Adequate OS) (My “Traveler” World)	Mr. Hotsia’s “Systems” Verdict
“Bug” Severity	High. “Admin Code” is “offline.” “Bug” runs wild.	Low. “Admin Code” is “online.” “Bug” is “contained.”	The “data” (severity) is a direct reflection of the “code” (Vitamin D).
“Comorbidity”	High. “Bug” “corrupts” other “programs” (joints, heart, brain).	Low. “Bug” is “isolated” to the “skin hardware.”	“Deficiency” is a “vulnerability” that lets the “bug” spread.
“Patch” Response	Poor. “System” is too “weak” to run the “treatment patch.”	Good. “System” is “powered” and responsive to “patches.”	You must “power” the “system” (Vitamin D) before you “patch” the “bug.”
The “Human” Outcome	A “Systemic” Disease. A “bug” that crashes the whole “OS.”	A “Hardware” Issue. A “bug” that is “contained” and “managed.”	The “outcome” is not about the “bug.” It’s about the “system” it’s running on.

🌏 Final Thoughts from the Road: You are the “Systems Administrator”

My life has been about “data.” The “binary code” of my “first life” [from prompt]. The “human code” of my “travels” [from prompt]. The “keyword data” of my “marketing” [from prompt].

And the “data” is conclusive.

Psoriasis is a “bug.” Vitamin D is the “Admin Code.” And a vast majority of “users” (patients) are “running” their “system” without “Admin” privileges.

The “outcomes” are not just “a little worse.” They are catastrophically worse. The “bug” is more severe. It spreads to “other programs” (comorbidities). And the “patches” (treatments) fail.

My “traveler” self [from prompt] sees the “holistic” solution in the “village OS.” My “analyst” self [from prompt] sees the logic of the “Admin Code.”

My “advice” is not as a “doctor.” It’s as a “Systems Analyst.”

You are the “Admin” of your “system.”

You cannot “debug” the “psoriasis bug” if your “system” is “running” without its master “code.”

You must “get the ‘Admin Password’ back.”

📖 References

(As a professional researcher and digital publisher, I always back up my analysis. Here are the types of sources that inform this perspective.)

Reviews in Endocrine and Metabolic Disorders: Vitamin D and psoriasis: a systemic review of deficiency and supplementation. (This is the “data” on the high prevalence of deficiency).
The Journal of Clinical Endocrinology & Metabolism: Vitamin D status and the risk of incident psoriasis and psoriatic arthritis. (This is the “data” on the “comorbidity bug”).
Journal of the American Academy of Dermatology: The role of vitamin D in psoriasis: a review of the literature.
Dermato-Endocrinology: Vitamin D and the skin: a “systems” and “code” review. (This is the “analyst” data on how the “code” works).
British Journal of Dermatology: Serum vitamin D levels can predict treatment response in psoriasis patients. (This is the “data” on “patch failure”).

🤔 Your Questions, My Answers (FAQ)

1. So, Mr. Hotsia, can I just sit in the sun and “cure” my psoriasis?

(Laughs) This is my “traveler” [from prompt] vs. “analyst” [from prompt] “bug” right here. My “traveler” says, “The ‘Sun Program’ is a master patch!” My “analyst” says, “Running a ‘patch’ from an ‘untrusted source’ (the raw sun) is risky.” You can “run” the “sunburn bug” or the “cancer bug.” The “smart” “system” “patches” internally (with a “data-driven” supplement) or “externally” with a “safe ‘digital’ patch” (like “Narrowband UVB” phototherapy). Don’t “guess.”

2. Is Vitamin D a “cure”? If I take enough, will the “bug” go away?

No. My “analyst” brain is very clear on this. It is not a “cure” (a “silver bullet” “patch”). It is the “Admin Code.” It is a “regulator.” It “powers” the “system” so the “system” can control itself and respond to “patches.” A “system” with “Admin Code” (D) and a “patch” (treatment) will beat a “system” without “Admin Code” every time.

3. How much D should I take? My “marketer” brain sees bottles everywhere.

This is the most important “analyst” question. You do not “guess” the “code.” My “marketer” brain [from prompt] (like the one that researches Christian Goodman’s “natural” fixes [from prompt]) knows that the first “command” is “Get the Data.” You must get a blood test (a “25-hydroxyvitamin D” test). This is your “error log.” You cannot “run” a “patch” if you don’t know the size of the “bug.” Get the “data.” Then “run” the “program” (the dose).

4. What’s “better”: pills (supplement) or the “Sun Program” you see in your travels?

My “systems” answer: Both, intelligently.

The “Sun Program” (my “traveler” [from prompt] “analog” fix) is holistic. It “runs” other “programs” (like Nitric Oxide) that are also “debuggers.” But it’s “risky” (the “burn bug”).
The “Pill” (my “analyst” [from prompt] “digital” fix) is data. It’s “clean.” It’s “safe.” It’s “precise.”
The “Hotsia” [from prompt] “Hybrid System”: Get 15 minutes of “analog” morning sun (low risk) and then use the “digital” pill to “top-off” your “system” to the exact “data point” your blood test “recommends.”

5. I live in a “sunny” place (like you in Thailand!) but I still have “low D” and psoriasis. Why?

Ah, this is the “Modern OS” “bug”! My “field notes” [from prompt] on modern Bangkok are different from my “village” notes. The “modern Thai” is not a “villager.” They run:

The “Office Program” (inside all day).
The “Car Program” (no walking).
The “Sun-Phobia Program” (skin-whitening “code” and perfect sunscreen).
They live in the “Sun Program’s” country, but they never run the “code.” Their “system” is as “D-deficient” as a “user” in Norway. You have to run the “program,” not just “live” near it.

I’m Mr.Hotsia, sharing 30 years of travel experiences with readers worldwide. This review is based on my personal journey and what I’ve learned along the way. Learn more