If you’re blowing your nose regularly, it’s hard not to notice your mucus—and what color it is. So it can also be alarming if you happen to spot yellow, brown, bloody, or green mucus in your used ...

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 ...

Black mucus is rare. It can be the sign of a fungal infection, or exposure to pollutants such as coal, dust or cigarette ...

A research team from the LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has highlighted recent advances in ...

"We found that metabolites associated with mucus hydration and adenosine metabolism were strongly associated with markers of COPD disease severity. These findings confirm previous studies implicating ...

Thea DM, Hammitt LL, Seidenberg P, et al. Limited utility of polymerase chain reaction in induced sputum specimens for determining the causes of childhood pneumonia in resource-poor settings: findings ...