lungThe respiratory system represents one of the body’s most remarkable yet often overlooked systems, automatically adjusting to our needs whether we’re sleeping, walking, or exercising intensely.

New research reaffirms what many of us have known for years: Longer exhalations calm the autonomic nervous system, reduce physiological arousal, lower stress, and take the edge off anxiety. Graphical ...

Researchers have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study shows that the pupil is smallest during inhalation and largest during exhalation ...

Richard Bossert's street-level study of the human body's gas exchange process is nothing to sniff at when it comes to patient treatment. You arrive for a difficulty-breathing emergency. The patient is ...