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

IF you don’t currently have a cough, it’s likely you know someone who currently has a cough. It’s officially cold and flu ...

Coughing is more than a minor annoyance; it can reveal important clues about your health. According to a study published in PLOS One, understanding whether your cough is dry, wet, or wheezing helps ...

If you’ve ever fought a cold or infection in the past, chances are you’ve had the not-so-pleasant experience of coughing up green phlegm. Along with a runny nose and sore throat, green phlegm is ...

It can be hard to decipher when you or your children are suffering from allergies or something more serious. When should you go to the doctor? When should you take medicine, and what should you take?

What's that cough? Everybody coughs; it's the number one illness-related reason people go to the doctor, according to the Centers for Disease Control and Prevention. Most cases of cough are temporary, ...

Your cold symptoms may feel worse at night because of increased immune system activity, changing levels of cortisol, and even your sleeping position.

Clearance of intrapulmonary mucus by the high-velocity airflow generated by cough is the major rescue clearance mechanism in subjects with mucoobstructive diseases and failed cilial-dependent mucus ...

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As a cold ends, a severe mucus cough starts. Sound familiar? Two studies now give explanations: First, crucial mechanisms of the mucus in both diseased and healthy airways; second, what happens in ...