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 ...

Mucus does more than cause congestion. It is highly beneficial to our health, trapping pathogens and protecting the body from infection. But a recent post on Instagram claims mucus has no benefits.

Cystic fibrosis affects many parts of the body, but its effects on the lungs can be especially harmful. Cystic fibrosis is a chronic and progressive condition that causes the mucus in your lungs to be ...

This chronic lung condition causes your airways to become permanently widened and scarred. Learn how to spot and treat this ...

Coughing up white mucus can be a sign of an upper respiratory infection or chronic conditions like COPD. Viral infections that cause white mucus cannot be treated with antibiotics, so focus on rest ...

Hot weather, humidity, and pollution are some of the major factors that affect the lungs in summer. Rising temperature puts ...

Breathing disorders are common in the U.S. with conditions like COPD affecting some 7% of the population and asthma affecting another 10%. Digestive conditions like GERD, acid reflux, Celiac disease ...

Coughing up blood is usually a cause for concern and should be addressed immediately. Serious conditions that may cause you to cough blood are lung cancer and congestive heart failure. Seek emergency ...

It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it makes matters even worse. This can lead to irritating symptoms, such as coughing, a sore throat, ...