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doctors opinion: https://youtu.be/D6EPuUdIC1E

personal anecdote: just do the breathing once or twice and youll feel it doing something. i find the effect very useful for eliminating brain fog and impulse control, also relieves my tired eyes, and makes me want to crack my knuckles. to me its like a rapid meditation but more potent.

its def not self help focused on alpha males. the breathing imo is the most effective single thing you can do from his 3 things (meditation, breathing exercises, cold exposure). This isnt new btw. the breathing is based on pranayama and people have experimented with blood oxygen/CO2 levels for performance forever. see: apnea training & freedivers.




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