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 ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, ...

The lungs are the silent engines of vitality. They breathe life into every cell of the body, yet most people hardly give them the attention they deserve. In today’s fast-paced, polluted environments, ...

Deep abdominal breathing helps reduce stress, control emotions, increase attention, and improve overall wellbeing. Deep breathing controls heart rate, blood pressure, and respiratory rate by ...

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 ...