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 ...

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 ...

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 ...

Like the swirls in fingerprints, a person’s breathing pattern might be unique to them — offering a way not only to identify individuals, but also to identify some of their physical and mental traits.

Two years ago, I published a nine-part series, "The Vagus Nerve Survival Guide to Combat Fight-or-Flight Urges." The genesis came from an "Aha!" moment when I noticed a pattern of diverse scientific ...

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 ...

Vesicular breath sounds are a type of breath sound. They are often soft, low-pitched sounds. Having vesicular breath sounds is normal, but changes in those sounds can be a sign of a lung condition. As ...

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