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 ...

The winners of the Underwater Photographer of the Year 2025 contest showcase majestic whales, thirsty camels and diverse ...

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

How to Practice Conscious Breathing to Reduce Stress and Anxiety. You may barely think about it, but it’s ever-present. Arguably, it’s one of the most important biological processes: It’s your breath.

Tiny particles, heavy metals, and toxic molecules could be lurking in your home this winter. One potential culprit? Your ...