Whether you spit or swallow phlegm, both are safe. Spitting can help some people feel better, especially if their cough is ...

1. Increased acid reflux Smoking also weakens the lower oesophageal sphincter (LES), the valve that prevents stomach acid from entering the oesophagus.

This extra mucus helps trap the invader and move it out of the lungs. Tiny hairs lining the airways (called cilia) then sweep the mucus up to the throat, where we cough it out or swallow it.

Lung macrophages play a pivotal role in diseases like idiopathic pulmonary fibrosis. Two types of macrophages—the white blood ...

An international study found that air pollution leads to more cancer-related genetic changes than secondhand smoke.

Exposure to air pollution, other contaminants and traditional herbal medicines may be contributing to the development of lung ...

Researchers in Japan have successfully generated lung cells similar to alveolar epithelial type 2 (AT2) cells from mouse ...

From July, eligible Australians will be screened for lung cancer as part of the nation's first new cancer screening program ...

Researchers discover an unusual accumulation of particles in people with the disease; the causes are still unclear.

As expected, the mice had impaired cilia formation and function and high levels of aldehydes.” The mice lacking ALDH1A1 were also at increased risk of developing a serious lung infection when ...