• Question: why do we get older?

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      Asked by lottiexo to Alan, Becky, Jo, Sankar, Sarah on 11 Mar 2015.
      • Photo: Alan McCue

        Alan McCue answered on 11 Mar 2015:

        We cant really stop time… so we always get older. I guess this is accompanied by your body naturally changing (I.e., getting bigger when you are younger)…

      • Photo: Jo Sadler

        Jo Sadler answered on 11 Mar 2015:

        There is a famous law in science that states that the universe will only get more disordered overall – and some people think that this gradual moving towards disorder is what time is. So I think of getting older as a product of this law- our bodies are all part of the universe and are moving through time with it (no matter how much we try and fight it!)

      • Photo: Sarah Kirk

        Sarah Kirk answered on 13 Mar 2015:

        There is one theory that oxygen is the thing that kills us in the end, as it shortens the ends of our DNA when it reacts with it. No avoiding it though, as you can’t live without oxygen either!

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