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Research on Aging - The Secret of Hydras
How long are humans capable of living? Very long, says James W. Vaupel. The population scientist at the Max Planck Institute for Demographic Research in Rostock bases his arguments on the example of a very long-lived organism. It is the small fresh-water polyp called a hydra. Its cells are constantly being renewed and as a result it is practically immortal.
Is that feasible for human longevity? After all, say the scientists, our lifespan is only partly determined by our genes. Much more has to do with our behavior, environment, activity, nutrition, medical care among other external factors. These can be influenced - and improved. Researchers are hoping to use the lessons they've learned from studies of animals like the hydra to slow down human aging.
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