What If Less Is More? The Buteyko Breathing Technique For Anxiety, Brainfog, Insomnia, Fatigue, and More—Simple, Free, and Counter Intuitive

Are We Overbreathing?

“The brain has a very high metabolic demand for oxygen compared to other organs, and thus, it is not surprising that acute hypoxia is a potent dilator in the cerebral circulation that produces marked increases in cerebral blood flow [163]. In general, blood flow does not change in the brain until tissue Po₂ falls below ~50 mmHg, below which cerebral blo…