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Aging has been explained in terms of programmed senescence & wear-and-tear. What are the differences between?

yyoyoyo asked:

. Aging has been explained in terms of programmed
senescence & wear-and-tear.

What are the differences
between these theories, and can they both be true?

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This entry was posted on Thursday, March 24th, 2011 at 2:48 am and is filed under Psychology. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “Aging has been explained in terms of programmed senescence & wear-and-tear. What are the differences between?”

  1. Caffeinated Content Says:
    March 24th, 2011 at 11:57 am

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    Some believe that our DNA is programmed to stop or slow down cellular renewal as we age.

    Others believe that some of the internal organs just wear out because of continual use over many years.

    I concur with the first statement. There is really no reason that we couldn’t live forever through the process of continual cell replication and renewal. Of course, we’d eventually be done in accidentally at some point.

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