[ RadSafe ] Meat and two neutrons -- the key to a longer life...

John Jacobus crispy_bird at yahoo.com
Thu Apr 12 15:00:46 CDT 2007

General comment: nematode worms are not humans. 
Studies conducted in animals do not always reflect the
response in humans.  Only about 10% of studies in
biomedical research translate to the same effect in

--- ROY HERREN <royherren2005 at yahoo.com> wrote:

>   Public release date: 25-Mar-2007
> Contact: SCI Press Office
> press at soci.org
> 44-079-313-15077
> Society of Chemical Industry 
>   Meat and two neutrons -- the key to a longer life 
> Long-life isotopes of a different variety  Indulging
> in an isotope-enhanced steak or chicken fillet every
> now and again could add as much as 10 years to your
> life. Scientists have shown for the first time that
> food enriched with natural isotopes builds bodily
> components that are more resistant to the processes
> of ageing. The concept has been demonstrated in
> worms and researchers hope that the same concept can
> help extend human life and reduce the risk of cancer
> and other diseases of ageing, reports Marina Murphy
> in Chemistry & Industry, the magazine of the SCI. 
>   A team led by Mikhail Shchepinov, formerly of
> Oxford University, fed nematode worms nutrients
> reinforced with natural isotopes (naturally
> occurring atomic variations of elements). In initial
> experiments, worms' life spans were extended by 10%,
> which, with humans expected to routinely coast close
> to the centenary, could add a further 10 years to
> human life. 
>   Food enhanced with isotopes is thought to produce
> bodily constituents and DNA more resistant to
> detrimental processes, like free radical attack. The
> isotopes replace atoms in susceptible bonds making
> these bonds stronger. 'Because these bonds are so
> much more stable, it should be possible to slow down
> the process of oxidation and ageing,' Shchepinov
> says.
>   The isotopes could be used in animal feed so that
> humans could get the "age-defying" isotopes
> indirectly in steaks or chicken fillets, for
> example, rather than eating chemically enhanced
> products themselves. Shchepinov says an occasional
> top-up would be sufficient to have a beneficial
> effect.
>   Ageing experts are impressed with the isotopic
> approach. Aubrey de Grey, the Cambridge-based
> gerontologist, says it could be very relevant to the
> rates of several chemical and enzymatic processes
> relevant to ageing 'It is a highly novel idea,' he
> says. 'But it remains to be seen whether it can be
> the source of practicable therapies, but it is a
> prospect that certainly cannot be ruled out.'
>   Charles Cantor, a professor of biomechanical
> engineering at Boston University, said: 'Preliminary
> data indicates that this approach can potentially
> increase lifespan without adverse side effects. If
> this is borne out by further experiments the
> implications are profound.'
>   Isotopes could also be used in pet food or as a
> means to protect workers or soldiers from radiation.
> Deuterium, a natural isotope of hydrogen (with 2
> protons rather than one) could be used routinely. 
>   Previous successes in extending lifespan have
> involved withdrawing food to the point of near
> starvation, a process called caloric restriction. 
>     ###
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> ---------------------------------
> Roy Herren
> ---------------------------------
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-- John
John Jacobus, MS
Certified Health Physicist
e-mail:  crispy_bird at yahoo.com

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