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The Earthing Movie

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helius:

--- Quote from: TimFox on October 06, 2023, 10:30:20 pm ---Not being educated on medical and biological stuff, I did some reading about the interesting electrochemical relaxation oscillator that governed the heartbeat, and what could go wrong (arrhythmia) after surface damage to the heart muscle screws up the circuitry.
I learned that while respiration could be controlled directly by nervous activity originating in the brain (holding your breath), evolution had not given us that direct control over the heart (a good thing);  changes in heart timing respond to chemical signals through the bloodstream.
--- End quote ---

The heart rate goes down when you inhale and up when you exhale. I think this is one of the vagus nerve functions. You can also lower the heart rate/bp by tapping on the vagus nerve's superior ganglion.

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