Winter's chill brings a heightened risk of pneumonia, especially for vulnerable groups. Experts emphasize vaccination as a ...

LONDON — Vatican officials said late Tuesday that Pope Francis had developed pneumonia in both lungs, further complicating the pontiff’s recovery. The 88-year-old pope was hospitalized Friday after a ...

Millions of Ohioans don't know they're inhaling air poisoned by radon, a gas estimated to lurk beneath about 50% of Ohio ...