The use of telomerase inhibitors might be problematic for the various adult stem cell/progenitor cell lines.
Leonard Hayflick, mentioned in the article, appears to be the author of this link about telomeres. An apparently identical 14 paragraph piece by him is found at Answers.com. That link has an illustration of the telemere without all of the other stuff to be downloaded at Answers.com.
'Immortality enzyme' wins Nobel Prize for Medicine (Two woman and one man share the prize)
More sex and grapefruit to keep you young? You can't make this up.
The New York City Fire Department to Fight Fire with a Firewall
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Amazing finds....thanks.