Friday July 25, 2008
How one day we may all be eternally young
Jeremy Laurance
Independent
Growing old may not be mandatory after all. Failing eyesight, loosened teeth and greying hair could be driven by regulatory genes that determine when it is time to shuffle off our mortal coil, rather than being indicators of the ravages of age.
American scientists have challenged the conventional view that ageing is caused by wear and tear – like rust on an old car. Instead, they suggest specific genetic instructions drive the process. If they are right, science might one day find ways of switching the signals off and halting or even reversing ageing.
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