Andrew Huberman· PhD
do cardio to improve your heart function. You increase stroke volume in your heart, for instance, how much blood you can beat out to your body by strengthening and in some cases even enlarging your heart a bit.
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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.
do cardio to improve your heart function. You increase stroke volume in your heart, for instance, how much blood you can beat out to your body by strengthening and in some cases even enlarging your heart a bit.
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