how did cancer start
This is as simple as it can be described. Cancer starts because cells in a part of your body do not grow and divide the way that they are supposed to.     Can â¦ cer begins when when mutations disrupt the normal cell cycle, causing cells to divide in an uncontrrollable way.+ 5 others found this useful.ancer starts because cells in a part of your body do not grow and divide the way that they are supposed to.     Can â¦ cer begins when when mutations disrupt the normal cell cycle, causing cells to divide in an uncontrrollable way. + 5 others found this useful.