No-one likes to come down with the sniffles, but do you know what causes the common cold and how best to protect yourself?
Most common colds are caused by viruses rather than bacteria. Antibiotics are only active against bacteria; they have no effect on viruses. And contrary to common belief, green snot is not necessarily a sign of bacterial infection.
Read More:
http://www.abc.net.au/health/talkinghealth/factbuster/stories/2008/02/06/2153209.htm
http://www.abc.net.au/health/quizzestools/quizzes/2011/03/17/3166550.htm