Articles
Plain explanations of what these assessments measure, written for the person having them and for the clinician reading the report.
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Ultra-Processed Food: Measure the Host, Not the Additive
Additive exposure has no clinical assay. What the emulsifier and ultra-processed cohorts support, why glycemic control modifies the effect, and which measurements document the host before a dietary change.
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Short-Chain Fatty Acids: Why a Fecal Panel Misleads
A fecal short-chain fatty acid value samples the fraction the colon did not absorb. What the founding percentage measured, what fiber and deprescribing evidence supports, and what to measure instead.
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Butyrate Deficiency Symptoms and What a Stool Test Really Shows
A flagged butyrate result samples the 5% your colon did not absorb. What butyrate is, why symptoms stay vague, and which measurements describe the metabolic ground the gut sits in.
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Psychogastroenterology in Practice: Measuring the Autonomic Side
Stress alters gastric rhythm and colonic motility with vagal withdrawal that heart rate variability captures and vital signs miss. Patient selection, test limits and workflow for GI and primary care.
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Can Stress Cause Stomach Problems? What Your Nervous System Shows
Stress slows the stomach and stirs the colon even when pulse and blood pressure look normal. What a clean gut workup leaves out, and what heart rate variability and autonomic testing can show.
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Blood-Brain Barrier Dysfunction: Screening the Metabolic Drivers
Hippocampal barrier leakage appears before inflammatory markers move and tracks diabetes, adiposity and endothelial strain. A screening and documentation approach for primary care.
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HLA-B27 and Ulcerative Colitis: Screening for Spinal Involvement
HLA-B27 carriage in ulcerative colitis is the sharpest marker for axial disease. Who to screen, why imaging and antibiotics mislead, and what terrain to document.