Telomeres are anti-cancer. Cells can only divide a limited number of times before the telomeres run out. The cost is a loss of vitality (senescence) as the indi

Telomeres are anti-cancer. Cells can only divide a limited number of times before the telomeres run out. The cost is a loss of vitality (senescence) as the individual cells end up being older since they aren't able to divide and renew.