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Nutrition Science
The Enteric Nervous System: Why Your Gut Is Your Second Brain
500 million neurons, 90% of your serotonin, and an 85%-ascending vagus highway. The biology of the gut-brain axis, and how to care for it on any budget.
Glucose Spikes & The Microbiome: How Blood Sugar Swings Reshape Flora
Every blood sugar spike sends waves through trillions of gut bacteria — and those bacteria quietly decide how your body handles sugar next. One self-reinforcing loop, and how to tip it toward health.
Short-Chain Fatty Acids (SCFAs): How Butyrate Fuels Cellular Energy
Your gut bacteria turn the fiber you cannot digest into butyrate — the fuel that powers your gut lining, seals your barrier, calms inflammation, and talks to your brain. The energy you make yourself.
Systemic Inflammation: Endotoxemia and Leaky Gut Explained
A thinning gut wall lets bacterial fragments into the bloodstream, igniting a low, smoldering fire that reaches your joints, brain, skin, and vessels. The root cause behind seemingly unrelated symptoms.
Bile Acids and the Liver Highway: The Overlooked Digestive Bottleneck
A river of bile recycles between your liver and your gut all day long — and when it congests, digestion stalls, toxins accumulate, and the whole body feels the backup. The overlooked bottleneck behind heavy digestion.
Histamine Intolerance & DAO Enzymes: The Biology of Unexplained Reactions
A glass of red wine, aged cheese, fermented foods — and a flush, a headache, an itch. When the DAO enzyme falls behind, histamine accumulates. The biology behind reactions that seem to come from nowhere.
The Microbiome-Endocrine Axis: How Microbes Regulate Hormones
Moods that shift with no trigger, energy that crashes, a cycle that runs you. Your gut bacteria are active chemists pulling levers on estrogen, cortisol, and thyroid hormone. The conversation between your microbes and your hormones.
The Dual Barrier Axis: How Intestinal Permeability Breaches the Blood-Brain Barrier
Deep inside your skull a microscopic wall guards your most precious organ. Far below, a second barrier does similar work. When the intestinal wall weakens, the breach travels upward, and the brain's own defenses can begin to fail.
Autophagy at the Cellular Level: The Molecular Biology of Self-Cleaning Without Starvation
Inside every cell a quiet maintenance crew clears the debris of age and stress. It runs whether you fast or feast. The popular idea that autophagy requires starvation is one of the most persistent myths in health writing.