Root-Cause Medicine

Educational Resources

Evidence-informed articles and research summaries on neuropathy, vitamin B12, gut health, fibromyalgia, insomnia, inflammation, personalized medicine, and functional medicine weight management.

Important: These resources are provided for educational purposes only. They are not a substitute for medical advice, diagnosis, or treatment. Please consult a qualified healthcare professional before starting, stopping, or changing any treatment, supplement, medication, or care plan.

Peripheral Neuropathy & Diabetic Neuropathy

Research and educational articles about nerve pain, diabetic neuropathy, early diagnosis, treatment options, and lifestyle interventions.

Neuropathy

Can Peripheral Neuropathy Be Reversed?

Diagnosis and Treatment of Painful Diabetic Peripheral Neuropathy

Published in Clinical Diabetes, American Diabetes Association

This review explains

  • Common causes of neuropathy
  • Why early diagnosis matters
  • Treatment options for painful diabetic peripheral neuropathy
  • Lifestyle interventions
  • How addressing an underlying cause may slow or improve nerve damage in some cases

Vitamin B12 & Nerve Health

Resources about vitamin B12 deficiency, neuropathy, nerve pain, and supplementation.

Vitamin B12

Can Vitamin B12 Deficiency Cause Neuropathy?

The Impact of Vitamin B12 Supplementation on Clinical Outcomes in Patients With Diabetic Neuropathy: A Meta-analysis of Randomized Controlled Trials

Questions answered

  • Does B12 improve neuropathy symptoms?
  • Can B12 reduce nerve pain?
  • Which patients may benefit most?

This study found that vitamin B12 supplementation improved neuropathic symptoms and pain in patients with diabetic neuropathy, although not all nerve function measures improved.

Nerve Pain

Does Vitamin B12 Help Nerve Pain?

B12 as a Treatment for Peripheral Neuropathic Pain: A Systematic Review

Questions answered

  • Can B12 reduce nerve pain?
  • Does B12 promote nerve regeneration?
  • What does the current evidence show?

The review concludes that there is evidence supporting vitamin B12 for some types of neuropathic pain, particularly post-herpetic neuralgia, with more limited evidence for painful peripheral neuropathy.

Deficiency

Is Vitamin B12 Deficiency a Cause of Peripheral Neuropathy?

Vitamin B Supplementation for Diabetic Peripheral Neuropathy

Questions answered

  • Should everyone with neuropathy take B12?
  • What does the evidence actually show?
  • Which patients are most likely to benefit?

This systematic review emphasizes that vitamin B12 deficiency is a reversible cause of neuropathy and highlights the importance of identifying deficiency before recommending supplementation broadly.

Root Cause, Systems Biology & Personalized Medicine

Patient-friendly explanations of why personalized care may consider nutrition, inflammation, sleep, stress, lifestyle, and biomarkers together.

What does “finding the root cause” actually mean?

Many chronic conditions are influenced by multiple interacting factors, including nutrition, inflammation, sleep, stress, medications, environmental exposures, and genetics. A systems biology approach evaluates how these factors interact instead of focusing on a single organ or symptom.

Primary Research: Systems Biology of Personalized Nutrition

This paper explains why looking at multiple body systems together can help personalize nutrition and health recommendations.

Why do I still feel sick when my routine blood work is normal?

Standard laboratory panels are designed to diagnose disease and screen for common abnormalities. They may not identify early metabolic changes, nutrient insufficiencies, or other factors that can contribute to symptoms. Additional testing should be guided by a patient’s history, symptoms, and clinical judgment, not simply ordered routinely.

Primary Research: Systems Biology of Personalized Nutrition

The article discusses using biomarkers to evaluate metabolic flexibility and health beyond traditional nutrient deficiency testing.

Why is my treatment different from someone else’s?

People with the same diagnosis can have different contributing factors, such as genetics, diet, microbiome composition, sleep quality, physical activity, and environmental exposures. Personalized care aims to tailor recommendations based on those differences.

Primary Research: PREVENTOMICS Trial — A Randomized Personalized Nutrition Study

Although personalized nutrition did not improve every outcome compared with standard advice, it showed promising improvements in selected biomarkers related to inflammation, oxidative stress, carbohydrate metabolism, and the microbiome.

Does inflammation affect chronic disease?

Persistent low-grade inflammation has been associated with many chronic conditions, including cardiovascular disease, diabetes, obesity, autoimmune disorders, and some forms of chronic pain. Reducing modifiable contributors to inflammation is an important goal of preventive health.

Can food really change my health?

Diet influences blood sugar regulation, inflammation, gut microbiota, cardiovascular risk, and metabolic health. Nutritional recommendations are increasingly being tailored to individual needs rather than relying solely on one-size-fits-all advice.

Primary Research:

Why do you ask about sleep, stress, exercise, and gut health?

These factors are interconnected. Sleep affects immune function and metabolism, stress influences hormonal and inflammatory pathways, physical activity supports metabolic health, and the gut microbiome plays a role in immune regulation and digestion. Evaluating these together provides a more comprehensive picture of health.

Primary Research: Systems Biology of Personalized Nutrition

What is personalized medicine?

Personalized medicine uses an individual’s clinical history, lifestyle, laboratory findings, and sometimes genetic or other biologic information to guide prevention and treatment decisions. It does not mean every test or intervention is necessary for every patient.

Primary Research:

Fibromyalgia

Resources exploring nutrition, gut health, probiotics, and vitamin B12 in relation to fibromyalgia symptoms.

Nutrition

Can Nutrition Improve Fibromyalgia Symptoms?

An Anti-inflammatory and Low-FODMAP Diet Improved Patient Reported Outcomes in Fibromyalgia: A Randomized Controlled Trial

The study found improvements in

  • Pain
  • Fatigue
  • Sleep
  • GI symptoms
  • Quality of life
Gut-Brain Connection

Does Gut Health Affect Fibromyalgia?

Effect of Prebiotic and Probiotic Supplementation on Pain in Fibromyalgia: Double-Blind Randomized Trial

Patients experienced improvements in pain and sleep, supporting research into the gut-brain connection.

Vitamin B12

Can Vitamin B12 Help Fibromyalgia?

Effect of Vitamin B12 on Symptom Severity of Fibromyalgia

The study found improvements in pain scores, symptom severity, and psychological well-being following vitamin B12 supplementation in the study population.

Gut Health

Educational resources about the gut microbiome, immunity, inflammation, metabolism, and chronic disease.

Microbiome

Can Gut Health Affect Inflammation and Overall Health?

The Human Microbiome in Health and Disease

This landmark review explains

  • What the gut microbiome is
  • How it affects immunity
  • Its relationship with inflammation
  • Its role in metabolism
  • Connections with chronic disease
Inflammation

Can Gut Bacteria Affect Autoimmune Disease and Chronic Inflammation?

The Role of Gut Microbiota in Human Health and Disease

Questions answered

  • Can gut bacteria affect inflammation?
  • Does gut health influence autoimmune disease?
  • Why is the microbiome important?
Personalized Nutrition

Can Changing My Diet Improve My Gut Health?

Personalized Nutrition Through the Gut Microbiome in Metabolic Syndrome and Related Comorbidities

Questions answered

  • Why isn’t one diet right for everyone?
  • Can the microbiome affect blood sugar?
  • Can nutrition reduce inflammation?
  • Why does my provider personalize nutrition recommendations?

Insomnia

Research on the gut microbiome, inflammation, nutrition, and sleep quality.

Sleep & Gut Health

Can Gut Health Affect Sleep?

The Role of Gut Microbiota in Insomnia: A Systematic Review

Questions answered

  • Can gut bacteria influence sleep?
  • Why do people with insomnia have different gut bacteria?
  • Can improving gut health support better sleep?
Inflammation

Does Inflammation Contribute to Insomnia?

The Predictive, Preventive and Personalized Medicine of Insomnia: Gut Microbiota and Inflammation

Questions answered

  • Does inflammation affect sleep?
  • Can chronic inflammation worsen insomnia?
  • Why does functional medicine evaluate gut health and inflammation?
Nutrition

Can Nutrition Improve Sleep Quality?

Microbiome-Based Therapeutics for Insomnia

Questions answered

  • Can probiotics help sleep?
  • Does diet affect sleep quality?
  • Can the Mediterranean diet improve sleep?

Weight Management

Resources about personalized nutrition, the gut microbiome, obesity, insulin resistance, and sustainable lifestyle care.

Personalized Nutrition

Why Can’t I Lose Weight Even Though I’m Dieting?

Personalized Nutrition Through the Gut Microbiome in Metabolic Syndrome and Related Comorbidities

Questions answered

  • Why do people respond differently to the same diet?
  • Can gut bacteria affect weight?
  • Can personalized nutrition improve metabolic health?
Obesity

Can the Gut Microbiome Affect Obesity?

Gut Microbiota in Obesity: A Potential Therapeutic Target

Questions answered

  • Can gut bacteria influence weight?
  • How do gut microbes affect metabolism?
  • What role do diet and lifestyle play?
Insulin Resistance

Does Insulin Resistance Make Weight Loss Harder?

Standards of Care in Diabetes—Obesity and Weight Management

This evidence-based clinical guidance discusses

  • Insulin resistance
  • Obesity treatment
  • Nutrition
  • Physical activity
  • Sustainable weight management