Dr. Melissa Ilardo

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791 appearances 1 recordings 1 series first heard May 2025 last heard May 2025

Dr. Melissa Ilardo’s voice in public audio — every appearance, attributed to the second.

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Huberman Lab · Behaviors That Alter Your Genes to Improve Your Health & Performance | Dr. Melissa Ilardo · 26 May 2025 podcast

So this is if anyone, and again, I hesitate to tell people to do this, but if you hold your breath and put your face in a bowl full of cold water, your body responds as if you're diving.

So this is if anyone, and again, I hesitate to tell people to do this, but if you hold your breath and put your face in a bowl full of cold water, your body responds as if you're diving. And what that means is that your heart rate slows down.

And what that means is that your heart rate slows down.

Your blood vessels and your extremities constrict because, you know, your fingers will be okay with a little bit less oxygen, but your brain really needs that oxygen.

Your blood vessels and your extremities constrict because, you know, your fingers will be okay with a little bit less oxygen, but your brain really needs that oxygen. So it's keeping the blood central where you need it the most. And then your spleen contracts. And so the spleen certainly wasn't the first organ that I thought about when thinking about diving. But the spleen is a reservoir.

So it's keeping the blood central where you need it the most.

And then your spleen contracts.

And so the spleen certainly wasn't the first organ that I thought about when thinking about diving.

But the spleen is a reservoir.

I mean, the spleen does many things, but one of the things that it does is it's a reservoir for red blood cells that are carrying oxygen.

I mean, the spleen does many things, but one of the things that it does is it's a reservoir for red blood cells that are carrying oxygen. And so through that contraction, those oxygen-rich red blood cells are now pushed into circulation and you get an oxygen boost.

And so through that contraction,

those oxygen-rich red blood cells are now pushed into circulation and you get an oxygen boost.

It's about 10% in most of us.

Exactly.

Exactly. Yeah. Yeah. I mean, it's enough to make a difference.

Yeah.

I mean, it's enough to make a difference.

Yeah, that's right.

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