Scott Davis Blue Heron Health News

How does fruit and vegetable intake affect hemorrhoid prevalence, supported by nutritional epidemiology, and how do vegetarian diets compare with omnivorous diets?

🤔 A Traveler’s Analysis of Your Body’s “Plumbing”

Hello, my friends, Mr. Hotsia here. For most of my adult life, I’ve been a man of two, very different worlds.

My first career was one of pure, predictable logic. I was a civil servant with a background in computer science, a systems analyst by trade. I spent my days in a controlled environment, looking for errors in “code,” bugs in the software, and flaws in the logic. My world was about finding the “bottleneck,” the “inefficiency,” the “bug” that caused a complex system to slow down, overheat, or crash.

Then, I traded that world for a different one. For the last thirty years, I have lived out of a backpack, a solo traveler on a mission to see the real, unfiltered lives of the people in every corner of my home, Thailand, and our neighbors: Laos, Cambodia, Vietnam, and Myanmar. I’ve shared this journey on my blog, hotsia.com, and my YouTube channels.

This life as an observer has been my greatest education. I’ve sat on small plastic stools in a thousand different markets, watching the flow of life. I’ve paid special attention to something fundamental: how people eat, and how their bodies process what they eat. I’ve watched farmers in the highlands of Laos squat effortlessly, their bodies strong and flexible. I’ve seen market vendors in Vietnam start their day with a bowl of pho brimming with fresh herbs and bean sprouts. I’ve marveled at the sheer volume of greens consumed in a simple village meal in Cambodia – mountains of morning glory, water spinach, and strange, wonderful leaves I don’t even know the names of.

Their “system input” is radically different from the modern, Westernized diet. It’s high in fiber, water, and plant matter. And my observation, though not scientific, is that their “system output” seems… well, easier. Less strained.

This observation has fueled my current passion as a digital health researcher. I dive into the science behind this “natural health” I’ve seen, connecting that ancient, practical wisdom with modern data. I spend my time now analyzing health information, much like the kind you’d find from trusted sources like Blue Heron Health News or authors like Jodi Knapp and Christian Goodman, who also focus on systemic, natural approaches to wellness.

And this brings me to a common, painful, and often embarrassing “system failure”: hemorrhoids.

From my systems analyst perspective, hemorrhoids are a “hardware failure” caused by a “system overload.” The “hardware” is the delicate network of veins in the lower rectum and anus. The “overload” is excessive pressure. And the primary “bug” that causes this pressure is often found in the “system’s input code”—our diet. This review is my analysis of that “code.”

🍎 The “System Regulator”: How Fruits & Vegetables Affect Prevalence

To understand how fruits and vegetables prevent this “system overload,” you have to think about the body’s “waste disposal system.” My analyst brain sees this as a complex “pipeline.” The goal is smooth, efficient “flow.” Hemorrhoids happen when there’s a “blockage” or “back pressure” in the final section of that “pipeline.”

What causes the “back pressure”? Primarily, straining during bowel movements. And what causes the straining? Usually, constipation—hard, dry stools that are difficult to pass.

This is where fruits and vegetables execute their brilliant “system code.” They are not just “food”; they are “pipeline regulators.” They work in three critical ways:

1. Fiber: The “System Sweeper” & “Softener”

   This is the star player. Fiber is the part of plant food that your “system” cannot digest. It’s not a “bug”; it’s a feature. There are two types, and you need both:

   • Insoluble Fiber: Think of this as the “bristle brush” for your “pipeline.” It doesn’t dissolve in water. It adds bulk to the stool and sweeps through the intestines, physically pushing waste along. This speeds up “transit time,” reducing the chance of blockage. You find this in vegetable skins, bran, nuts, and seeds.
   • Soluble Fiber: This is the “gel.” It does dissolve in water, forming a soft, gel-like substance. This gel softens the stool, making it much easier to pass without straining. It also acts as “food” (prebiotics) for the good “bacteria” (probiotics) in your gut – the “maintenance crew” for your whole digestive “operating system.” You find this in oats, beans, apples, citrus fruits, and carrots.

     Fruits and vegetables are loaded with both types. They are the perfect “system maintenance” tool.

2. Hydration: The “System Lubricant”

   This is the simple, often overlooked “code.” Fruits and vegetables are mostly water. Think of a juicy watermelon or a crisp cucumber. This high water content does two things:

   • It directly contributes to your overall hydration, which is essential for keeping everything flowing smoothly.
   • It helps that soluble fiber do its job – turning into that soft, lubricating gel. A high-fiber diet without enough water is like putting sand in your “engine.” It makes things worse. The water from fruits and vegetables is a “built-in” lubricant.
3. Phytochemicals: The “Anti-Inflammatory Patch”

   This is the more subtle “code.” Fruits and vegetables are packed with thousands of natural plant compounds – antioxidants, flavonoids, polyphenols. These are the “anti-virus” and “anti-inflammatory patches” for your entire “system.” Hemorrhoids are, at their core, swollen, inflamed veins. A diet rich in these plant compounds helps to calm the underlying inflammation throughout your body, making the “hardware” (those delicate veins) less likely to become irritated and swollen in the first place. The vibrant colors I see in every market in Southeast Asia—the deep purples of eggplants, the bright oranges of mangoes, the rich greens of countless herbs—this is the visual “code” for these protective compounds.

So, how does this affect prevalence? It’s simple system logic. A diet high in fruits and vegetables creates a “system” where waste moves smoothly, softly, and without strain. This directly removes the primary “overload” condition that leads to the “hardware failure” of hemorrhoids.

📈 The “System Logs”: Evidence from Nutritional Epidemiology

This is where my “analyst” brain needs to see the “data.” My observations in the villages of Vietnam are one thing, but what do the large-scale “system logs”—the nutritional epidemiology studies—show?

The “logs” are remarkably consistent. For decades, researchers have been running “diagnostics” on large populations, tracking their “input” (diet) and their “error messages” (disease outcomes). When it comes to hemorrhoids, the “bug report” consistently points in one direction:

Higher intake of dietary fiber, primarily from fruits, vegetables, and whole grains, is strongly associated with a lower prevalence of hemorrhoids.

• The Classic Studies: Some of the earliest work linking diet to “diseases of civilization” (like hemorrhoids, diverticulosis, and colon cancer) came from doctors like Denis Burkitt, who observed the stark difference in prevalence between rural Africans eating a very high-fiber, plant-based diet and Westerners eating a low-fiber, processed diet. His “fiber hypothesis” was revolutionary and has largely stood the test of time.
• Large Cohort Studies: More modern, large-scale studies (like the Nurses’ Health Study and the Health Professionals Follow-up Study) that track tens of thousands of people for years have confirmed this. While hemorrhoids aren’t always the primary focus, the data consistently shows that participants reporting the highest intake of fiber and plant foods have significantly lower rates of constipation and related conditions.
• Intervention Trials: Even smaller studies where people are given fiber supplements (like psyllium husk) show a clear reduction in hemorrhoid symptoms (bleeding, pain) and recurrence. This provides direct, causal evidence that fiber itself is the “patch.”

It’s important to be precise here. From my analyst’s view, these large studies show a strong correlation, not always perfect causation. People who eat lots of fruits and vegetables also tend to have other healthy habits (they exercise more, smoke less, etc.). It’s the whole “healthy operating system,” not just one line of “code.”

But the mechanism (fiber, water, phytochemicals) is so biologically plausible, and the intervention data (giving fiber works) is so direct, that the conclusion is clear: A diet pattern rich in fruits and vegetables is a powerful “protective code” against the “hemorrhoid bug.”

This first table summarizes the key “protective code” found in plants.

🌱 Omnivore vs. Herbivore: Comparing the “System Inputs”

This brings us to a common question: Is a vegetarian diet inherently better for preventing hemorrhoids than an omnivorous diet?

My systems analyst brain says: It depends entirely on the quality of the “code,” not the label of the “operating system.”

The Vegetarian “System”

• The “Pros” (The Potential): By definition, a vegetarian diet eliminates meat and often increases the intake of fruits, vegetables, legumes, and whole grains. If this is the case, then yes, this “system” is naturally running a high-fiber, high-water, high-phytochemical “code.” It is, in theory, a highly protective “operating system.”
• The “Cons” (The “Bugs”): But a “vegetarian” label doesn’t automatically mean “healthy code.” A diet of white pasta, cheese pizza, French fries, and soda is technically “vegetarian.” But it’s a “system” loaded with low-fiber, highly processed “corrupted code.” This “vegetarian” diet would likely increase the risk of hemorrhoids compared to a healthy omnivore.

The Omnivorous “System”

• The “Cons” (The Potential Risk): The “Standard Western Diet” is the “buggy” omnivorous system. High in red meat, processed meats, refined grains, and low in plant matter. This “code” is low-fiber, low-water, low-phytochemical, and high-inflammation. It is a “system” designed to crash.
• The “Pros” (The Potential): But an omnivore doesn’t have to run this “buggy code.” An omnivorous diet modeled on the Mediterranean pattern—lots of vegetables, fruits, legumes, nuts, seeds, olive oil, and fish—is incredibly protective. It delivers the fiber, the water, the phytochemicals, plus the anti-inflammatory Omega-3s from the fish. The traditional diets I’ve seen on my travels are often omnivorous (a little meat or fish for flavor and nutrients, with a mountain of plants), and they are profoundly healthy “systems.”

The Analyst’s Verdict: It’s the Pattern, Not the Label

The risk is not determined by whether you eat meat. The risk is determined by:

1. How much fiber are you running through the “system”?
2. How much water are you using to “lubricate” it?
3. Are your “inputs” primarily “clean code” (whole foods) or “corrupted code” (processed foods)?

A well-designed vegetarian “system” is likely superior to a poorly designed omnivorous “system.” But a well-designed omnivorous “system” (like the Mediterranean or traditional Asian patterns) is likely just as good, if not better in some ways (e.g., easier B12 absorption), than a poorly designed vegetarian “system.”

This second table compares the typical patterns.

🙏 A Traveler’s Final Thought: Your Body Runs on the Code You Feed It

My thirty years on the road, from the streets of Ho Chi Minh City to the mountains of Laos, have taught me one great truth: the human body is a miracle of resilience. But my first career in computer science taught me that any “system,” no matter how brilliant, is only as good as the “code” it runs.

The “hemorrhoid bug” is, for most people, not a “hardware failure.” It is a “software error” caused by “corrupted input code.” We have replaced the ancient, “clean code” of whole plant foods—the code I see running beautifully in the villages of my travels—with the “buggy,” low-fiber, processed “code” of the modern world.

The “fix” is not a complex “patch.” It is a “system restore.” It is returning to the “original code.” It is running the “program” your body was designed for: a diet rich in the fiber, water, and protective compounds found in the vibrant fruits and vegetables that fill the markets I love so much. You don’t need a fancy “patch.” You just need to feed your “system” the right “code.”

❓ A Traveler’s Q&A (FAQ)

1. What are the best fruits and vegetables to eat for prevention?

My “analyst” brain says: Variety! My “traveler” brain agrees. Don’t focus on one “magic” food. The “best code” is diverse code. Aim for a rainbow of colors.

• High-Fiber All-Stars: Berries (raspberries!), pears (with skin!), apples (with skin!), broccoli, Brussels sprouts, beans, lentils.
• High-Water Heroes: Watermelon, cucumber, celery, oranges.
• The Greens: Spinach, kale, and all the amazing leafy greens I see in Asian markets (morning glory, bok choy).

  Eat the rainbow!

2. How much fiber do I actually need?

The “system requirement” is generally 25 grams per day for women and 38 grams per day for men. Most Westerners get less than half of that. My observation of traditional diets suggests they easily meet or exceed this, without ever counting. If you just focus on eating more whole plants, you’ll likely get there.

3. I hate vegetables! Can I just take a fiber supplement?

This is the “shortcut patch.” From my analyst’s view, a supplement (like psyllium husk) can provide the “bulk” and “softening” (if you drink enough water!). It can help prevent the “crash” (straining).

BUT. It is incomplete code. You are only getting the fiber. You are missing the hundreds of other “protective patches” (the vitamins, minerals, and phytochemicals) that come packaged in the whole fruit or vegetable. A supplement is a “patch”; real food is a “system upgrade.” Use the “patch” if you must, but aim for the “upgrade.”

4. Can eating fruits and vegetables cure existing hemorrhoids?

This is a critical “system” question. Diet is the #1 tool for prevention and for managing mild symptoms. It can stop the “bug” from getting worse. But if the “hardware” (the veins) is already significantly damaged (large, prolapsed hemorrhoids), diet alone is unlikely to be a “cure.” It won’t “uninstall” the “hardware failure.” You may need a “hardware intervention” (medical treatment) in addition to the “system upgrade” (diet).

5. You focus on diet. Aren’t there other causes?

Absolutely. My “systems analysis” always looks for all the “input variables.” While diet is the primary “code bug,” other factors create “system overload”:

• Chronic Sitting: (My old life!) Puts direct pressure on the “hardware.”
• Heavy Lifting: Increases abdominal pressure.
• Pregnancy: The ultimate “system load test”!
• Obesity: Increases pressure and inflammation.

  A good “system fix” addresses all these “bugs.”

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