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 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 ...

Scientists have created a model alveolar system that mimics the breathing action of the human lung and allows visualization of flow patterns within the alveoli. The chip they designed includes tubes ...

In a world where anxiety has become an all-too-common issue, simple yet powerful breathing techniques are emerging as accessible tools for emotional regulation. These techniques combine ancient ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. I write about the brain and the body but sometimes other things. New videos show how the N95 masks with an exhalation valve ...