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

High cholesterol is a growing concern for many people, as it increases the risk of heart disease and other health problems.

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 ...

Researchers have discovered that breathing affects pupil size, with the pupil being smallest during inhalation and largest ...

Frankétienne, a renowned writer, painter, actor and musician known as the "father of Haitian letters" has died.