Jassey, DOCoughing up thick, green mucus may mean a bacterial or, less often, viral infection, but that's not always true.

Medically reviewed by Sanja Jelic, MDMedically reviewed by Sanja Jelic, MD Coughing up white mucus can mean you have congestion ... pulmonary disease (COPD). The color of your mucus can suggest ...

But did you know that different butterflies are believed to hold a different meaning? In fact, many people say that each ...

But it's not for decoration. These colors have an important meaning that could just save your life one day. Following is a transcript of the video. What do fire hydrant colors mean? Certain colors ...

Specific sugars will feed specific bacteria, meaning that the makeup of your mucus can affect the composition of your microbiome, said Rebecca Carrier, a professor of chemical engineering at ...

Chronic coughs can be "symptomatic," meaning they have an underlying ... A wet cough, or a productive cough, produces mucus, which can vary in color. A wet cough is a symptom of an underlying ...

If Halloween is your favorite holiday, then, no doubt, your costume is prepped, jack-o'-lantern carved and the candy is in the bowl awaiting hungry trick-or-treaters. As you put the finishing ...

It's a good question given that much like red and green are traditional Christmas colors, black and orange are popular hues often associated with Halloween. But what is the meaning of these ...

The sticky, slimy goo plays an essential role in fighting off infections, shaping the gut microbiome and more. Credit...Sisi Kim Supported by By Nina Agrawal To many people, mucus is nothing more ...

To better understand the origin and history of Halloween's famous colors, TODAY.com spoke to experts who help break down the meaning and reasons why we associate them with October 31. While it ...