It has long been considered something of an old wives' tale, but could there really be some truth to it ?
Researchers have found a way to 'jam' the genetic code of the virus which affects millions every year.
Australian scientists are exploring the idea that exposure to certain viruses can cure other illnesses.
Streams of electrically charged gas could be used in the future to cure colds and other illnesses.
Scientists have discovered that antibodies can be used to fight viruses from inside cells.