Question

Why do cells undergo abnormality leading to cancers?

Answer 1

when the cancer causing virus enter in the cell and then gene then cell react violenty and increses in violent way

Answer 2

cell tissues when effected by radiation poisoning undergo a change which lead to a rapid growth of cells and those cells r sometimes mistaken by our own defence as our body cells which eventually turn out to be cancer.
radiation poisoning can be treated in initial stages to prevent cancer