what causes cancer?

Question

what causes cancer?

Answer 1

There are many causes for cancer but it differ according to each type of cancer but in general there are many causes like genetics ,herditory factors,social and enviromental causes like smoking and drinking alcohol and so many causes .and cancer it means the abnormal growing in cell morphology and biology

Answer 2

Cancer is abnormal and unrestricted cell growth. Often, cancer is the result of some agent "unlocking" telomerase, which then continues to add telomeres to the end of the cell's chromosomes, making that cell immortal. Such agents can include UV rays and even viruses.

Answer 3

An abonormal increase in cell growth.

Answer 4

the aire