[ RadSafe ] Meat and two neutrons -- the key to a longer life...
John R Johnson
idias at interchange.ubc.ca
Thu Apr 12 18:13:12 CDT 2007
Good point. I remember old experiments on the sensitivity of fish eggs in
the Ottawa river around AECL's CRNL labs. Radiation was shown to increase
the "viability" of the eggs but we said that this could not be applied to
John R Johnson, PhD
CEO, IDIAS, Inc.
Vancouver, B. C.
idias at interchange.ubc.ca
----- Original Message -----
From: "John Jacobus" <crispy_bird at yahoo.com>
To: <radsafe at radlab.nl>
Sent: Thursday, April 12, 2007 1:00 PM
Subject: Re: [ RadSafe ] Meat and two neutrons -- the key to a longer
> 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
>> 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
>> 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
>> 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.
>> Please acknowledge Chemistry & Industry as the
>> source of these items. If publishing online, please
>> include a hyperlink to http://www.chemind.org Please
>> note Chemistry & Industry uses '&' in its title,
>> please do not correct to 'and'.
>> Chemistry & Industry magazine from SCI delivers
>> news and comment from the interface between science
>> and business. As well as covering industry and
>> science, it focuses on developments that will be of
>> significant commercial interest in five- to
>> ten-years time. Published twice-monthly and free to
>> SCI Members, it also carries authoritative features
>> and reviews. Opinion-formers worldwide respect
>> Chemistry & Industry for its independent insight.
>> SCI is a unique international forum where science
>> meets business on independent, impartial ground.
>> Anyone can join, and the Society offers a chance to
>> share information between sectors as diverse as food
>> and agriculture, pharmaceuticals, biotechnology,
>> environmental science and safety. As well as
>> publishing new research and running events, SCI has
>> a growing database of member specialists who can
>> give background information on a wide range of
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>> SCI is a registered charity with members in over 70
>> Roy Herren
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> "We must face the fact that the United States is neither omnipotent or
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> -- John F. Kennedy
> -- John
> John Jacobus, MS
> Certified Health Physicist
> e-mail: crispy_bird at yahoo.com
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