Andrew Huberman· PhD
sympathetic nervous system has nothing to do with sympathy um has everything to do with generating patterns of alertness it's sometimes called the fight ORF flight system but any pattern of arousal positive or negative
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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.
sympathetic nervous system has nothing to do with sympathy um has everything to do with generating patterns of alertness it's sometimes called the fight ORF flight system but any pattern of arousal positive or negative
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the sympathetic nervous system which for um people listening who aren't familiar with that is the the branch of our nervous system that's responsible for creating accelerations in heart rate um feelings of alertness it's accompanied with stress and the stress response but it's accompanied with waking up in the morning for that matter so it's not always about stress
So it's not good to think about the sympathetic nervous system, simply as fight or flight, how it's often referred to, because it's also responsible for generating healthy, wakeful, non-anxious, non-stressed levels of alertness, as well as stressed-out, panicked states.