If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

When a person has black or dark-colored mucus, they may have inhaled potentially harmful pollutants. Coughing up black mucus may also be due to an underlying infection or condition. Mucus serves ...

By combining the power of this muscle ‘glue’ with the antibacterial power of mucins (the proteins in mucus), researchers have created a waterproof adhesive that is pretty much ideal for the ...

First, it’s important to know that fish are covered in a thin layer of mucus. This slimy coating (it is also called a “slime coat”) is known to keep fish healthy by warding off pathogens.

A telltale sign you’re getting sick is excess mucus, and if you’ve ever been desperate to stop coughing and sneezing, you’ve likely examined your mucus color, from yellow to green ...