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Posts tagged "heart rate variability"

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Right Vagus, Left Vagus: Why Your Heart Has Two Separate Brakes

Your heart is not held in check by one vagus nerve but by two, and they do different jobs. The right vagus mostly controls how fast the heart fires; the left mostly controls how the signal passes through. Once you see the wiring, palpitations stop feeling like chaos and start looking like mechanics.

By VagusSkool Team Jul 22, 2026

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Two Roads to a Racing Heart: Vagal Withdrawal vs. Sympathetic Overdrive

A pounding, racing heart can arise two mechanistically opposite ways: your calming brake releasing, or your accelerator flooring itself. They can feel identical but they are not the same problem — and they call for different responses. Understanding which one you're dealing with explains why 'just calm down' fails, and why breathwork sometimes works when reassurance never does.

By VagusSkool Team Jul 22, 2026

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Cardiovascular Health Beyond Cholesterol: The Vagal Variable

Cholesterol gets the headlines, but heart attack risk has another major predictor most people have never heard of — your vagal tone, measured directly by heart rate variability.

By VagusSkool May 7, 2026