Causes of cancer

There is no specific thing, as anything can cause the normal function of cell to perform in opposite or in different way, thus can cause cancer. Certain things such as abnormalities of cells can cause the development of the cancerous cells.  Some of the cause of the cancer cannot me known and for others it can form by different factors. One of the main cause of cancer is due to chemical or environmental which causes mutation in the genetic materials can trigger the formation of cancer cells. Sometimes the cancer can be caused due to the more than one cause. So many people they got cancer due to all these factors. So it is very much difficult to recognise for a person for a specific reason or cause behind the specific cancer. Some of the materials which are carcinogenic might affect the system to produce cancerous cells. The causes of the cancer are listed.