REV0lution Health Library

Evidence-informed articles on nutrition, metabolism, hormones, digestive health, fitness, recovery, lab testing, and functional medicine.

Gut Health
IBS, bloating, GERD, constipation, gut health
Hormones
PCOS, perimenopause, menopause, cortisol
Thyroid Health
Hashimoto's, hypothyroidism, thyroid labs
Metabolic Health
Insulin resistance, blood sugar, weight loss resistance
Autoimmune Disease
Autoimmunity, inflammation, immune regulation, root-cause support

Advanced Lab Analysis
Functional testing, blood chemistry, GI-MAP, DUTCH, OAT, and lab interpretation
Fitness & Recovery
Strength, movement, sleep, recovery, performance, and resilience
Functional Medicine
Root-cause care, systems thinking, symptom patterns, and whole-person health
Nutrition & Performance
Protein, fueling, body composition, exercise nutrition, and metabolic health

Understand your health. Backed by science.

Autoimmune Disease: Symptoms, Causes, Tests and Treatment

Kerri Rachelle

Published on: 24/08/2026

Learn what autoimmune disease is, common symptoms, possible causes, how testing works and how medical treatment, nutrition and lifestyle support can work together.

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Gut Health and Autoimmune Disease: What’s the Link?

Kerri Rachelle

Published on: 24/08/2026

Learn how the gut microbiome, intestinal permeability, diet, stress and immune signaling may influence autoimmune disease—and what may support gut health.

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Can Gut–Brain Therapy Help Digestive Symptoms and Food Fear?

Kerri Rachelle

Published on: 18/08/2026

Learn how gut–brain therapy may complement nutrition care by reducing digestive sensitivity, food fear and symptom-related stress.

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Gut Health and the Immune System: How They Connect

Kerri Rachelle

Published on: 05/08/2026

Learn how the intestinal barrier, microbiome, GALT and secretory IgA interact with immunity—and why not every immune condition begins in the gut.

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What Is PMOS? Symptoms, Diagnosis and Insulin Resistance

Kerri Rachelle

Published on: 17/07/2026

Learn what PMOS (formerly, PCOS) is, its common symptoms, how it is diagnosed and how insulin resistance connects this endocrine and ovarian syndrome to metabolic health.

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We've Optimized America for Everything...Except Health

Kerri Rachelle

Published on: 08/07/2026

Why does staying healthy feel so hard? Discover how modern life works against human biology, why your body is adapting—not failing—and simple ways to design an environment that supports lasting health.

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