Cancer screenings exist to try to detect the disease in its earlier stages, and ultimately to save lives. But screenings for lung cancer—the leading cause of cancer deaths worldwide—are narrow, and ...

As families gather for Thanksgiving, here's what to know to protect your family from the new subclade K flu strain.

Bluish lips or nails: Cyanosis is a warning sign that your child may have low oxygen levels. You can tell if this is ...

Cold weather heightens the risk of pneumonia—especially in children, seniors and those with lung issues—but with smart habits ...