Respiratory tract diseases are illnesses that affect components of the respiratory system, including the nasal passages, the bronchi and the lungs. They range from acute infections, such as ...

Medically reviewed by Anju Goel, MD Allergies commonly cause itchy eyes, sneezing, and a stuffy nose. Allergies can also ...

A narrowing of the smallest airways in the lung (bronchioles) causes wheezing. This narrowing results from swelling caused by a virus. The respiratory syncytial virus (RSV) causes most bronchiolitis.

Persistent dry mouth may be a sign of inflammation in your respiratory system. Learn how this connection works and how to ...

How allergic bronchitis progresses from common allergens, recognize symptoms requiring medical care, and learn treatment strategies to protect your lungs.

A research team led by the Guangzhou Institutes of Biomedicine and Health of the Chinese Academy of Sciences has constructed ...

Body signals such as heartbeat and breathing accompany us constantly, often unnoticed as background noise of our perception. Even in the earliest years of life, these signals are important as they ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a ...

You have probably heard the saying that the eyes are the windows to the soul, but now it turns out that they are also ...

When overstimulated, opioid receptors desensitize the brainstem to rises in CO2, which causes respiratory depression, loss of protective airway reflexes and respiratory arrest. Cardiac arrest from ...