January 14, 2013
Cough lasts 18 days, no matter what, study finds
MSNBC.com: Health - Posted: January 14th, 2013, 5:22pm EST
A new study shows that although most people think a cough ought to last no more than a week or so, the duration of the most annoying symptom of winter illness is about 18 days -- and could be more than three weeks.
