Andrew Huberman· PhD
Epinephrine allows us to get into action. It stimulates changes in the blood vessels, in the heart in the organs and tissues of the body that bias us for movement.
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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.
Epinephrine allows us to get into action. It stimulates changes in the blood vessels, in the heart in the organs and tissues of the body that bias us for movement.
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That's why we say epinephrine increases energy. I'm not talking about caloric energy, although that's distantly related to this, but really energy and the desire to move, the feeling that we can think, the feeling that we can be alert.