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Originally Posted by minaras 
As a result we can say that in a theoretical basis,if an orgasism eated exactly a certain amount,quality and quantity of foods in acertain way,then it could prevent the changing of its reactions and as a result it could prevent the aging process,expanding its lifespan.Of course this is something very difficult to happen in real life because there are numerous things that plays their role and of course things are not that simple.
One important clue that suggests that what we said is true, is the recent discovery that living organisms that follow a calorie restricted diet,can expand their lifetime, in some cases as long as 60 per cent.This is not a proof that what we said is true,but it is positive to find that the changing of caloric menu has as a result a change in the lifespan.Perhaps a certain diet causes an ever greater expansion.It remains to be proved………….
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As we know, all organisms (even viruses) are build according to their genetic information - the DNA. This DNA, however, gets altered more and more by the environment (radiation, chemical substances etc.) or by transcriptation mistakes in the cell while life goes on. And since every tissue (except nervs) gets permanently renewed, means old cells die and new cells are created by cell divison, the new cells are built with the information of the altered DNA. This is, as you probably know, the reason that your chances to get cancer are growing constantly while getting older (in more years the DNA gets stronger altered). Smoking cigarettes etc. also effects the DNA and the result are deformed cells - cancer. So even if you keep an organism's food supply always constant, it would get older.
But I found it very interesting that you tackled the subject of viruses. I think it is quite fascinating how they are working and yet not living outside a cell. If you study viruses a bit deeper, you will see that they decompose the host's DNA and use the blocks for their own and that they make the host work for them and stopping its own functions Or the thing with the lytic circle - the provirus DNA "lives" in the host's for some generation, so it gets more and more and then one day it starts the reproduction of new viruses and the cell explodes. . They are not living but yet it seems that they have some sort of intelligence - at least they have a very well worked out plan
And then, like HIV, they can protect themselves by chaning their surface etc.
regards Thomas