Heart Rate
topic on 4 shows · 5 statements across 5 episodes
the Pitch 
the Knowledge Project 
BigDeal 
the a16z Podcast
5 statements about Heart Rate, every show
Huberman: Deliberate long exhales directly lower heart rate to reduce anxiety
“When you exhale, Deliberately, you slow your heart rate down. So this is the, you don't need to do breath work. You just, if you want to calm down, you do a long exhale.”
Duquette: Heart rate is an unreliable metric for workout output
“Yeah, heart rate is a very, it's a tough way to measure Output, first of all, right, because it's subject to so many external factors, whether it be stress or caffeine.”
Duquette: Heart rate is a flawed metric for measuring workout output
“Heart rate is a very, it's a tough way to measure Output, first of all, right, because it's subject to so many external factors, whether it be stress or caffeine.”
Alexander: Exhalation triggers parasympathetic activation and slows heart rate
“What's happening when you exhale, it's actually causing your diaphragm to raise up, and it's causing the blood vessels in and around your heart to get a little bit smaller, which causes your heart rate to slow down. It's called, ah, sinus respiratory arrhythmi…”