It started with a bit of blood. In April 2013, then 68-year-old John Ryan checked in with his primary care physician after he suddenly began to cough up trace amounts of blood. One emergency room trip ...

Barrier organs that form boundaries between the body and the outside environment, such as the lungs, skin, and intestines, ...

The worst damage from COVID-19 was first measured in fevers, oxygen levels and death counts. Now, years later, researchers ...

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and ...

Severe airway inflammation impairs the ability of mice to learn when a dangerous situation is no longer a threat, suggesting that the lungs influence emotions and behaviour. This lung-brain connection ...

This study, published in the journal Nature Communications, determined the mechanism of this live biotherapeutic product — a powder mixture of living Lactobacilli bacteria — to reduce neutrophilic ...

Pulmonary sarcoidosis is a condition that causes tiny groups of immune cells to clump in your lungs. These groups of cells form swollen, inflamed lumps called granulomas. Granulomas can make it hard ...

Chronic obstructive pulmonary disease (COPD) is a long-term lung condition that causes inflammation and lung damage. Lifestyle changes such as an anti-inflammatory diet and supplements can help manage ...

Extreme heat does not just affect the skin or body temperature but it can directly affect lung function, oxygen levels, and ...

Here’s what to know about colds in older age, and why they may be something you need to watch more carefully. Despite this, ...