When is a cough a concern?

Hearing a chorus of coughs is typical at this time of year. An occasional cough is normal and healthy. A cough that persists for several weeks or brings up discolored or bloody mucus may indicate a condition that needs medical attention. A cough is your body's response when something irritates your throat or airways. An irritant stimulates nerves that send a message to your brain. The brain then tells muscles in your chest and abdomen…
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news