Opioid use may increase your risk of infectious diseases like pneumonia and meningitis, according to a new study.

Breathing training with a physical therapist before abdominal surgery may cut the risk of postoperative lung complications like pneumonia in half, according to a new study.

Seeing your dentist on a regular basis may lower your risk of having bacterial pneumonia, according to an unpublished study presented at a conference.

Flu vaccines are known to be less effective in the elderly. But until now, the mechanisms behind this phenomenon were not well-understood.

On Nov. 12, the world will celebrate the seventh annual World Pneumonia Day.

The American Heart Association (AHA) has identified seven simple steps people can take to reduce their risk of heart disease. But new evidence suggests that the AHA's "Life's Simple 7" may wind up benefiting much more than patients' hearts. {C}

New evidence suggests that many Americans who travel abroad may wind up bringing home some unintended souvenirs.

Measles may seem like an ailment from a bygone era, but new evidence suggests that many US children may still be at risk today.

A new pneumococcal vaccine may be key to reducing illness in kids.

Pneumonia is often connected to the elderly, but the youngest among us might have an increased risk.