Genes that preserve chromosome tips linked to long life

A clear link between living to 100 and inheriting a hyperactive version of an enzyme that rebuilds telomeres – the tip ends of chromosomes – has been found.

Eurekalert: http://www.eurekalert.org/pub_releases/2009-11/aeco-ltt111109.php

Telomeres play crucial roles in aging, cancer and other biological processes.