The color of the phlegm from patients with the lung disease bronchiectasis can indicate the degree of inflammation in their lungs and predict their future outcomes, according to new research presented ...

Add Yahoo as a preferred source to see more of our stories on Google. The color of your mucus can reveal some surprising things about your health. (Photo: Getty Images) (Getty Images/iStockphoto) ...

When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. Subscribe to our newsletter for the latest sci-tech ...

Add Yahoo as a preferred source to see more of our stories on Google. Curious about your snot? Plenty of people take a peek at what winds up in their tissue after a good nose blow, but doctors say ...

Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...

A cough that produces mucus, or phlegm, is known as a wet — or productive — cough. Producing mucus while coughing is typically a response to allergens and irritants, airway infections, or an ...

Please provide your email address to receive an email when new articles are posted on . Patients with more purulent sputum had a higher frequency of exacerbations and hospitalizations over 5 years.

Mucus isn't exactly something people give much thought to — until they're sick and dealing with a constantly runny nose. But mucus is actually an important part of a healthy immune system, according ...