Ignore the alcoholism comment, I got a little mixed up.<quoted text>False. A recent Canadian study which posited that cancer cells were actually communicating with healthy cells and co-opting them to change themselves into cancer cells. Another Canadian research project tested the theory by administering chemicals which blocked communication between cancer cells and healthy cells to 19 human test subjects. ALL the test subjects responded positively to the treatment and the majority experienced remission.
The request for your source still remains though.