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 discovered a brain circuit that drives vocalization and ensures that you talk only when you breathe out, and stop talking when you breathe in. This circuit is under control of a brainstem ...

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.