Lineage
- LineageKumbhaka: The Hold the Manuals Already Had a Word For14 Min Read · kumbhaka breath retention techniques
Antara after the inhale. Bahya after the exhale. A 2017 Doppler series in fifteen trained men is not a secret. Sit down and time the empty side.
- LineageTummo Raised Armpit Temperature. That Is Not Your Ice Plunge.13 Min Read · tummo breathing science
Kozhevnikov 2013 put thermometers on ten experts in Tibet. The breathing warmed them. Walking stopped the hard part. Do not staple this to a dock jump.
Physiology
- PhysiologyThe Urge to Breathe Is Carbon Dioxide, Not a Character Test14 Min Read · improving CO2 tolerance training
CO₂ rises, the brainstem complains, you want air. Training that signal is seated work and a log — not a table you stand for.
- PhysiologyEmpty-Lung Holds and HIF-1: What the 1986 Paper Actually Did12 Min Read · intermittent hypoxia breath hold HIF-1
Intermittent hypoxia is a real pathway. Djarova measured eleven trained men. That is not a daily miracle, and we do not sell it as one.
- PhysiologyNose vs Mouth: Use the Filter, Then Use the Pipe12 Min Read · nasal breathing vs mouth breathing benefits
Nitric oxide from the sinuses is real. A 2025 scan in twenty men is a map. Mouth tape is a dentist conversation we are not having.
- PhysiologyButeyko Is Smaller Breaths, Not a Standing Contest13 Min Read · buteyko method explained
The method is reduced ventilation and a higher resting CO₂. Control pause is a check, not a sport. We will not build you a CO₂ table.
Science
- ScienceWhat Slow Breathing Does in the Brain — and What We Do Not Measure15 Min Read · science of box breathing
Vagal tone, box breathing, about six breaths a minute. The papers are real. breathmaxx is a clock and a log, not an EEG.
- ScienceSix Breaths a Minute Is a Frequency, Not an App12 Min Read · 6 breaths per minute resonance frequency breathing
Lehrer and Vaschillo circled 0.1 Hz for HRV biofeedback. 4–6 is that rate as a protocol. You do not need a dashboard to count to six.
- ScienceA Short Hold Is a Dose. Treat It Like One.11 Min Read · hormesis breathing exercises
Hormesis means a stressor that helps if you stop in time. Empty-lung seconds belong in a book. Ice plus a camera is a different hobby.
Focus
Performance