Having healthy gums may prevent serious and potentially fatal respiratory diseases such as chronic obstructive pulmonary disease (COPD) and pneumonia, according to the American Academy of Periodontology.

Researchers from Duke University have discovered how nanoparticles in diesel fumes can harm cells in the lungs.

Much research has been done that illustrates the dangers of second-hand smoke. Now, a new study shows that "third-hand smoke" is also harmful to your health.

At the end of the last year's session, Congress passed a bill to provide health care for 9/11 first responders who suffer from conditions linked only to their work following the terrorist attacks.

Though a direct link has never been established between tuberculosis (TB) and lung cancer, researchers have established some compelling evidence suggesting a correlation.