Sep 5, 2026 · 17 min · 6 segments
In this clip, Dr. Jamnadas explains how the vagus nerve helps regulate the balance between the sympathetic and parasympathetic nervous systems and why that balance matters for heart health. He…
People say, well, what's a cardiologist talking about silence? It has everything to do with it because it changes your physiology.
It changes your whole thinking pattern, changes your thought patterns, your thoughts.
And there's so many studies to show that we have an influence on our health by our social factors in our life as well.
If we're on the go, go, go all the time, we're having excessive sympathetic overload all the time, all the time, and we never get the parasympathetic.
You're supposed to be sympathetic, get reactive oxygen species, and then you're supposed to quench them away with your cholinergic system.
We're constantly in the sympathetic mode all the time, which comes down to that question you asked in the beginning that, you know, what about the vagus nerve? Where does this all kick in? Well, that's the problem.
We just don't have enough vagus nerve function because we're constantly in synthetic, synthetic, synthetic, synthetic, and we know that.
In the leaky gut scenario, you're producing reactive oxygen species a lot in the gut because you have that leaky gut.
And then all that chemistry is going to produce reactive oxygen species because all those white cells and all lymphocytes are producing reactive oxygen species both in your liver and in your gut lining.
Because the enteric nervous system, which is your gut's nervous system, comes from the vagus nerve.
So 80% of the signals from your vagus nerve go from your periphery, which is mostly your gut, to the brain stem.
People say, well, what's a cardiologist talking about silence? It has everything to do with it because it changes your physiology.
It changes your whole thinking pattern, changes your thought patterns, your thoughts.
And there's so many studies to show that we have an influence on our health by our social factors in our life as well.
If we're on the go, go, go all the time, we're having excessive sympathetic overload all the time, all the time, and we never get the parasympathetic.
You're supposed to be sympathetic, get reactive oxygen species, and then you're supposed to quench them away with your cholinergic system.
We're constantly in the sympathetic mode all the time, which comes down to that question you asked in the beginning that, you know, what about the vagus nerve? Where does this all kick in? Well, that's the problem.
We just don't have enough vagus nerve function because we're constantly in synthetic, synthetic, synthetic, synthetic, and we know that.
In the leaky gut scenario, you're producing reactive oxygen species a lot in the gut because you have that leaky gut.
And then all that chemistry is going to produce reactive oxygen species because all those white cells and all lymphocytes are producing reactive oxygen species both in your liver and in your gut lining.
Because the enteric nervous system, which is your gut's nervous system, comes from the vagus nerve.
So 80% of the signals from your vagus nerve go from your periphery, which is mostly your gut, to the brain stem.
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