Andrew Huberman· PhD
So let's talk about AVAs and what they are and why they allow these three regions of the body to heat or cool ourselves more readily.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
So let's talk about AVAs and what they are and why they allow these three regions of the body to heat or cool ourselves more readily.
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The palms of our hands, the bottoms of our feet, and the upper half of our face overly specific types of vasculature, meaning specific types of veins and arteries that don't have capillaries between them, and as a consequence, heat and cold can move very quickly from the palms of the hands, the bottoms of the feet, and the upper half of our face, and change our core body temperature.