What Is the Respiratory System? The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide. All the cells in your body need ...

Two years ago, I published a nine-part series, "The Vagus Nerve Survival Guide to Combat Fight-or-Flight Urges." The genesis came from an "Aha!" moment when I noticed a pattern of diverse scientific ...

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 ...

Lung sounds are the noises a person makes as they breathe in and out, including sounds of regular breathing. However, wheezing, crackling, stridor, and other sounds can also occur, indicating an ...

Device-guided breathing by musical tones did not improve symptoms in patients with heart failure compared with patients who only listened to music. However, patients in the DGB group who increased ...

Yawning, a universal reflex, is characterized by a deep inhalation and short exhalation. While often linked to tiredness, its exact cause remains a mystery. Though oxygen deficiency is a common ...

Using just one inhalation lung CT scan, a deep learning model can accurately diagnose and stage chronic obstructive pulmonary disease (COPD), according to a study published today in Radiology: ...