Jaymie Knox had never smoked a cigarette. She kickboxed regularly. Still, she got stage 4 lung cancer. And she's not alone.

Add Yahoo as a preferred source to see more of our stories on Google. CSA-Printstock/Getty Images/Amanda K Bailey Chest pain is one of those symptoms that immediately makes you think the worst: that ...

If your chest hurts when you breathe deeply, it might be caused by a serious issue like a heart attack or pneumonia. Seek medical help immediately if chest pain is severe, sudden, or you also have ...

Add Yahoo as a preferred source to see more of our stories on Google. A lot of us have a cough now, right? Maybe you were sick a couple of weeks ago and are better, but the coughing just won’t go away ...

When it comes to sleep disruptions, it doesn’t get much worse than the dreaded night cough. If coughing is keeping you up at night, you’re probably frustrated, fatigued and wondering how to put a stop ...

A cough with mucus, often called a productive cough, is a very common health concern that can disrupt daily life and affect people of all ages. While a cough is the body's natural way of clearing the ...

BEVERLY HILLS, Calif. (KABC) -- Violin teacher Constance Meyer of Beverly Hills had a nagging cough for nearly two years. But a parent of one of her students thought it was something more serious. It ...