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.

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 ...

For over a century, scientists believed that light, focus distance, and cognitive effort were the main forces behind changes in pupil size. But a new discovery adds breathing to that list. Researchers ...

The secret to calm? Your nose knows. Much has been made about how meditation and breathing exercises can reduce stress, but there’s an easy nostril exercise that proponents say can calm you down in a ...