How nasal breathing cured my nighttime cortisol spikes
Executive Summary: Nasal breathing is a foundational bio-hacking pillar for longevity and metabolic optimization. It drives Nitric Oxide (NO) production, regulates the autonomic nervous system via vagal stimulation, and prevents the hormonal disruption caused by mouth breathing during sleep. This evidence-based guide examines how redirecting your primary breathing route can measurably lower your biological age, … Read more
