What we breathe out becomes fuel for forests. But inside our own bodies, CO₂ has a secret life. It sparks chemical reactions, shapes metabolism, and may even act as a signaling molecule—and a new tool ...

With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

Use of race-based reference equations in pulmonary function testing has led to thresholds for what qualifies as impairment in populations.

This article explains how seasonal changes in ventilation, humidity, and indoor pollutants affect cough, allergies, asthma ...

Rationale Residual sleep apnoea—defined by an Apnoea-Hypopnoea Index ≥10 events/hour—affects~20% of obstructive sleep apnoea patients treated with positive airway pressure therapy and poses a major ...