There is a theory....bordering on fact, that cells degrade themselves over time in an attempt to prevent abnormalities. They commit suiscide, so to speak. Some genetic studies are attempting to find the specifics behind cell death, and reverse it.
As of yet, there are a couple hundred experiments that have had mixed results with fruit flies, and mice. Still, we are a long way from immortality, Give it a couple more decades.
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Holding onto anger is like grasping a hot coal with the intent of throwing it at someone else; you are the one who gets burned. - Buddha
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