When you’re sick you’ll often produce more phlegm, and might notice it’s thicker or a different colour: white, green, yellow ...

A new study meticulously sampled different lung regions in people with cystic fibrosis to understand why infections persist ...

A new study meticulously sampled different lung regions in people with cystic fibrosis to understand why infections persist ...

Helene Duhamel was recently diagnosed with non-small cell squamous cell lung cancer. Duhamel shares her thoughts on her diagnosis and her plan to fight it.

Talent manager and Kelly Clarkson‘s ex-husband, Brandon Blackstock, has died after a three-year private battle with melanoma. What to know about the most dangerous skin cancer.