Supercentenarians: slower ageing
individuals or senile elderly?
Butler RN, Fossel M, Harman SM, Heward CB,
Olshansky SJ, Perls TT, Rothman DJ, Rothman SM,
Warner HR, West MD, Wright WE.
International Longevity Center-USA,
New York, New York, USA.
J Gerontol A Biol Sci Med Sci. 2002 Sep;57(9):B333-8
ABSTRACTIn spite of considerable hype to the contrary, there is no convincing evidence that currently existing so-called "antiaging" remedies promoted by a variety of companies and other organizations can slow aging or increase longevity in humans. Nevertheless, a variety of experiments with laboratory animals indicate that aging rates and life expectancy can be altered. Research going back to the 1930s has shown that caloric restriction (also called dietary restriction) extends life expectancy by 30-40% in experimental animals, presumably at least partially by delaying the occurrence of age-dependent diseases. Mutations that decrease production of insulin growth factor I in laboratory mammals, and those that decrease insulin-like signaling in nematodes and fruit flies, have increased life expectancy as well. Other general strategies that appear promising include interventions that reduce oxidative stress and/or increase resistance to stress; hormone and cell replacement therapies may also have value in dealing with specific age-related pathologies. This article reports the findings of a consensus workshop that discussed what is known about existing and future interventions to slow, stop, or reverse aging in animals, and how these might be applied to humans through future research.Telomerase
Caloric restriction mimetics
CR/age-related oxidative damage
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