Episode 4 Breathing

4 Aug 2021 · 53 min
Episode

4 Aug 2021 · 53 min

0:00

Brian Bowen and Amy Christiansen explore why breathing matters: oxygen and CO2 exchange, vagus nerve activation, sleep, stress, and inflammation. They cover the harms of mouth-breathing, cite a 240-hour experiment, and teach techniques like 4-7-8 breathing, box breathing, and nasal breathing.

Questions this episode answers

August 4, 2021.

About 1,700–2,100 times per day.

They state most people exhale about 70% of their carbon dioxide (implying ~30% retained).

A study (cited via James Nestor) reporting measurable structural and physiological changes after as little as 240 hours of mouth-breathing.

The 4-7-8 breathing exercise (inhale 4s, hold 7s, exhale 8s).

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