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

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

Anxiety is a common response in high-stress situations such as sports competitions. Elite athletes have developed various ...

Bobbi Conner talks with MUSC's Dr. Sundar Balasubramanian about research exploring the benefits of yogic breathing exercises.

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