Andrew Huberman· PhD
Fasting increases levels of adrenaline, also called epinephrine, in the brain and body. And when our levels of epinephrine and adrenaline are increased, we learn better. We can focus better.
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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.
Fasting increases levels of adrenaline, also called epinephrine, in the brain and body. And when our levels of epinephrine and adrenaline are increased, we learn better. We can focus better.
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