Andrew Huberman· PhD
One of the reasons you feel less energized when sick? Your immune system is using more energy.
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.
One of the reasons you feel less energized when sick? Your immune system is using more energy.
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So when they're sick, the immune system just the the amount of the the part of your budget that gets consumed by the immune system, you know, expands, right? So this energy this extra energy needs to be stolen from somewhere because you can't eat more to have you know infinite energy.
and then stopping to care about stuff like becoming asocial and apathic and all of those features of sickness behavior or energyconserving uh strategies and not eating like if you can have like free 10 15% of your energy now you can allocate it to your immune system that is a very good strategy