Andrew Huberman· PhD
The reason we're talking about epinephrine and cortisol for increasing energy and immune system function is because they are largely independent of blood glucose.
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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.
The reason we're talking about epinephrine and cortisol for increasing energy and immune system function is because they are largely independent of blood glucose.
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And it turns out that the two hormones that dominate those processes of having enough energy and having a healthy immune system are cortisol and epinephrine.