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Posts tagged "anxiety"

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Serotonin Is Made in the Gut: Rethinking Mood at Its Source

Roughly 90% of the serotonin in your body is produced in the intestinal wall, not the brain. That single fact reorganizes the way we should think about mood, digestion, and the treatments that actually work.

By UltraSkool Research Team May 14, 2026

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Heart Palpitations Decoded: Vagal Tone, Catecholamines, and What That Skipped Beat Means

Most palpitations are benign — but they always mean something. Decoding them requires knowing whether you are looking at sympathetic surge, vagally-mediated ectopy, or anxiety amplification of normal sensation.

By UltraSkool Research Team May 10, 2026

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Internal Trembling: Decoding the Body's Hidden Vibration

Patients describe it as a tremor no one can see — a humming, buzzing, or shaking from inside. The autonomic nervous system has a story to tell here.

By UltraSkool Research Team May 7, 2026

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The Anxiety–Mitochondria Connection: Calming Cells to Calm the Mind

New research is reframing anxiety as a metabolic phenomenon. When cellular energy is compromised, the threat-detection system runs hot.

By UltraSkool Research Team May 7, 2026