Mucus lines and protects sensitive surfaces inside the body, and it helps trap and remove small particles of foreign matter that may pose a threat. Sometimes, the lungs produce too much mucus. The ...

A wet cough is one that produces mucus or phlegm. It’s also sometimes called a productive or chesty cough. An occasional cough is usually nothing to be worried about — it’s a normal reflex that helps ...

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. We all produce mucus, even when healthy. Mucus is a ...

When a persistent cough disrupts your sleep and drains your energy, it might be more than just a stubborn cold. Pneumonia, a serious lung infection, affects millions of Americans each year and can ...

November is Lung Cancer Awareness Month. Over the past decade, research and treatment for lung cancer have made significant strides, leading to improved survival rates.

Bronchitis may cause you to cough up blood, known as hemoptysis. Bronchitis is inflammation of the bronchial tubes, or airways, that usually happens due to an infection or breathing in irritants like ...

Few symptoms create more immediate alarm than coughing up blood. This frightening sign, medically termed hemoptysis, indicates that something significant requires attention in your respiratory system.