Tuesday, September 19, 2006

Search for Fountain of Youth Continues

This news from San Francisco Chronicle shows that the quest for Eternal youth continues.


Entrepreneur backs research on anti-aging
Scientist says humans could live indefinitely

- Keay Davidson, Chronicle Science Writer
Monday, September 18, 2006



A controversial scientist who hopes to help humans live for thousands of years has received a multimillion-dollar grant from a Bay Area entrepreneur.

Peter A. Thiel, co-founder and former chief executive officer of the online payments system PayPal, announced Saturday he is pledging $3.5 million "to support scientific research into the alleviation and eventual reversal of the debilities caused by aging."

The recipient will be the Methuselah Foundation, a Springfield, Va., nonprofit started and run by the most colorful scientist in aging research: Aubrey de Grey, a 43-year-old English researcher who says he hopes to "radically postpone aging, giving indefinite life spans."

In short, de Grey's thesis is that there are seven main causes of aging, and that if those can be licked, then people could live indefinitely.

Among aging experts, de Grey's reputation is so widely contested that a headline over an article last year in an MIT-based publication, Technology Review, asked: "He's brilliant, but is he nuts?" In a tongue-in-cheek letter to the magazine in response to the story, top authority on aging Richard Miller, of the University of Michigan, wrote that he would like de Grey to help him solve a similarly complex technological problem: how to make pigs fly.

De Grey told The Chronicle in e-mails and phone conversations last week that he isn't disturbed by scientific critics. Some of them, he noted, argue that death is inevitable because the cells and genes of living organisms inevitably accumulate errors that eventually kill them. But, he pointed out, because of careful upkeep "we have vintage cars driving around that were designed to last 15 years -- and they're 100 years old."

So why should humans be any different?

De Grey, who received a doctorate in biology at Cambridge University in 2000 and worked in the university's genetics department from 1992 until a few months ago, characterized the $3.5 million grant as a "major breakthrough" in his effort to get research on indefinite extension of life span "really moving in the laboratory."

"It's "pump-priming," he said. "I need probably $1 billion over 10 years" to achieve that goal."

Advocates of indefinite life extension seem to hope the future will resemble the film "Boynton Beach Club," in which white-haired, super-fit senior citizens party, play and have busy sex lives that would shame a college fraternity. But critics of de Grey-style longevity research fear that if everyone lived indefinitely, Earth would become miserably packed with old, sick people, and nursing homes would be more ubiquitous than Starbucks.

De Grey is confident that humanity will figure out a solution to the crowding dilemma. One possibility: "Maybe people of the future will decide that children are not much fun anyway and will reduce the birth rate," he said.

Experts on aging tended to have a strong personal liking for de Grey, and said he had stimulated some interesting thinking in aging research, but believe that in recent years, he has become sensationalistic in his public comments.

"Many of my colleagues are extremely critical of him -- they believe he's a pseudoscientist, that he is out for publicity -- and that he has no redeeming features," said Judith Campisi, a cell and molecular biologist who has joint appointments at the Buck Institute for Age Research in Novato and Lawrence Berkeley National Laboratory.

"I must say I don't agree with that," added Campisi. "I do think he started out sincerely hoping to stimulate interesting research. And I think in his small way he did get people to think. ... But where he seems to have lost his way is he doesn't listen to rational argument anymore."

S. Jay Olshansky, a demographer at the University of Illinois who confronted de Grey on CBS' "60 Minutes" earlier this year, added: "Where I have vehemently disagreed with Aubrey is where he tries to convince people, especially reporters, that we are on the verge of immortality -- that we have people alive today who will live for 1,000 or for 5,000 years."

At present, scientists don't even know what causes aging, but "Aubrey seems to think that he does -- that there are seven (causes for aging), that we have to reengineer the body to eliminate them, and that we'll live forever.

"In the world of science," Olshansky said, "you don't make declarative statements (like that) without evidence to support them."

No. 1 on de Grey's list of seven causes of aging is to focus on the atrophy or degeneration of cells. Others include gene mutations, mutations to the energy-generating mitochondria inside cells, and the unhealthy accumulation of "junk" inside and outside cells such as the amyloid proteins found in the brains of Alzheimer's patients.

In response to Olshansky's criticism, de Grey told The Chronicle by e-mail that "I have published a lot of papers that provide the scientific basis for my optimism."

Thiel could not be reached for comment.

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