"The rapidly dividing cells in a tumour soon hit the Hayflick limit and the process is brought to a screeching halt." I thought the problem with tumours was th

"The rapidly dividing cells in a tumour soon hit the Hayflick limit and the process is brought to a screeching halt." I thought the problem with tumours was that they can turn on telomerase so they only get bigger and never reach Hayflick. "Telomerase has been detected in human cancer cells and is found to be 10-20 times more active than in normal body cells." http://www4.utsouthwestern.edu/cellbio/shay-wright/intro/facts/sw_facts.html http://www4.utsouthwestern.edu/cellbio/shay-wright/intro/fac...