Health Research & Explainers

Why Do at Least Half of People With PA Have Iron Deficiency With or Without Anemia?

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Iron deficiency and pernicious anemia both result from destruction of parietal cells.

Gastritis destroys parietal cells

Parietal cells make two things: intrinsic factor and hydrochloric acid. Gastritis has several possible causes: autoimmune attack, H. pylori, long-term PPI use, or gastric surgery. Regardless of which one is responsible, the damage takes out acid and intrinsic factor production together.

The acid connection is specifically relevant for iron absorption. Food iron is mostly ferric (Fe3+), and stomach acid helps keep it soluble and facilitates its reduction to ferrous (Fe2+), the form DMT1 transporters in the duodenum can absorb. Achlorhydria impairs that process. So even with adequate dietary iron, absorption drops.

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The Story of a Sudden Health Collapse

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Helminthic therapy and the immune systems

In 2008 I was bedridden. Rheumatoid arthritis was so severe that I could eat only if someone else cooked, and get to doctor’s appointments only with help. Standard treatment clawed back function slowly, over years. I was functioning — out of bed, working part time. Better; not well. This was my baseline for over a decade.

In 2020 I started using therapeutic hookworms. Within a year, the difference was total. My days were full, I had energy. Some inflammatory markers settled into normal ranges. The RA was under control for the first time since diagnosis. Three good years followed. I felt healthy.

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Pain Control and Healing: Using Anti-inflammatory Medications

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This piece is a companion to Pain Control and Healing: Using Anti-inflammatory Medications. That article covers what a general reader needs to know about anti-inflammatories during recovery. This one is for anyone who wants to see why the underlying science is genuinely unsettled, not just simplified for the sake of a shorter article.

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Optimizing Healing: Nutrient Dosing Reference

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Introduction

This guide is a practical companion to Optimizing Healing: A Phase-by-Phase Guide to Surgical Recovery. While the companion article explains how the body heals after surgery or other significant physical trauma, this guide focuses on the nutrients that support that process.

Healing is a coordinated biological process that depends on adequate protein, vitamins, minerals, and energy. Individual nutrients work together rather than independently, and more is not always better. The recommendations below are intended as practical reference values for adults recovering from surgery or other significant tissue injury.

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Optimizing Healing: A Phase-by-Phase Guide to Surgical Recovery

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Summary

Standard surgical preparation focuses on the procedure itself: fasting requirements, medication holds, paperwork, and what to bring on the day of surgery. It rarely addresses whether the body has the raw materials and the right timing to carry out the repair that follows.

Healing is not a single event. It progresses through distinct physiological phases, each with different biological priorities. The same intervention that supports healing in one phase can interfere with it in another.

This guide follows that progression from the weeks before surgery through the body’s initial inflammatory response, the period of active tissue building, and the months of remodeling that follow. Planned surgery provides the clearest example because it has a known starting point and a predictable sequence, but the same physiology applies to recovery from any significant physical trauma.

This is the first piece in a series on surgical recovery and healing.

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Understanding Iron Deficiency: A Practical Guide

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Iron deficiency is one of the most common nutritional deficiencies in the world, yet it frequently goes undiagnosed. Many people spend months or years searching for answers while symptoms gradually worsen. Fatigue, brain fog, restless legs, hair loss, poor exercise tolerance, and many other symptoms are often attributed to stress, aging, or unrelated medical conditions.

This guide explains how iron deficiency develops, why it matters, how it is diagnosed, and how it can be treated safely. The goal is to provide a balanced overview that helps readers understand laboratory results, work effectively with healthcare providers, and make informed decisions about treatment.

People at increased risk of iron deficiency include:

  • Menstruating women
  • Pregnant women
  • Infants, children, and adolescents
  • Frequent blood donors
  • Endurance athletes
  • Vegetarians and vegans
  • People with gastrointestinal disorders, including celiac disease, inflammatory bowel disease, autoimmune gastritis, or a history of bariatric surgery
  • Older adults, particularly those with chronic medical conditions or gastrointestinal blood loss

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Hawthorn Extract as a System Modulator

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Introduction

Hawthorn appears to function as a system modulator. Its effects extend across circulation, inflammation, pain signaling, central nervous system activity, and protection during tissue injury. These physiological domains are deeply interconnected within a living organism. Changes in one system influence the others through overlapping networks of signaling molecules, regulatory pathways, and physiological feedback loops.

The body operates through interacting regulatory systems that continuously shape one another’s behavior. A change in vascular function can alter inflammatory activity. Inflammation can affect pain sensitivity and neural excitability. Neural signaling can influence immune function and tissue repair. The resulting effects are often larger and more complex than would be predicted by examining any one system in isolation.

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