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 ...

Humans can’t survive without taking a breath. And the lungs are the pneumatic engines that take in oxygen to be distributed ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study, published in The Journal of Physiology, ...

For more than a century, scientists have understood that three factors control pupil size: light, focus distance, and ...

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 ...

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 ...

Breathing comes naturally and easily when our lungs are healthy. However, shortness of breath and difficulty breathing are among the symptoms of COVID-19 that can linger for some patients after ...

Do you find that you struggle to fall asleep at night because your mind is racing? Then you might be suffering from stress and overthinking. But don’t lose hope – there are some simple breathing ...