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

Respiratory diseases are a challenging problem to treat. Inhalable medicines are a promising solution that depend on the ability to deliver tiny particles known as aerosols to the correct location in ...

SAALBACH-HINTERGLEMM, Austria (AP) — Stretching. Tension. Deep breaths. Focus. These are what skiers deal with and try to do ...