Safety is uncertain calorie restriction
Guttorp, and J. Aviv, and But even so, slowing aging could have profound social effects, upsetting actuarial tables and retirement plans. Then theres the issue of fairness If antiaging therapies become available, who will receive them? How much will they cost? Individuals find they can stretch their life spans. Furthermore, testing lifeextension treatments in humans be nearly impossible for practical and ethical reasons. Christensen 2008 Am. 5731, LaRochelle, Lansdorp, Shepherd, H.P. 83DOI 10. 1126science. 309. 5731. 83 Prev Articles Citing This Article Search PubMed for Articles by Couzin, J.
Shepherd, H.P. Christiansen, J. Next News How Much Can Human Life Span Be Extended? Jennifer CouzinWhen Jeanne Calment died in nursing home in southern France in she was years old, the longestliving human ever documented. Furthermore, testing lifeextension treatments in humans be nearly impossible for practical and ethical reasons..
And shorterlived species such as worms and fruit flies, whose aging has been delayed the be more susceptible to lifespan manipulation. CREDIT GETTY IMAGESJust or decades research on aging was backwater. The editors suggest the following Related Resources on Science sites In Science Magazine INTRODUCTION TO SPECIAL ISSUEWhat Dont We Know? Donald Kennedy and Colin Norman 1 2005Science 5731, Articles Citing This Article Search PubMed for Articles by Couzin, J. Reducing the activity of an insulinlike receptor more than doubles the life span of worms to startlingfor them6 weeks.
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worms ability to enter dauer state, which resembles hibernation, be critical, for example. But Calments uncommon status will fade in subsequent decades if the predictions of some biologists and demographers come true. Aviv, and Brimacombe, Find Citing Articles in ISI Web of Science 6 HighWire Press CrossRef Scopus My Science My Folders My Alerts My Saved Searches Sign In More Information More in Collections Molecular Biology Related Jobs from ScienceCareers Molecular Biology Biochemistry GeneticsScience 2005Vol. All three might be interconnected, but so far that hasnt been confirmed although calorierestricted animals have low levels of IGF1.
Shepherd, H.P. Kiem, Reducing the activity of an insulinlike receptor more than doubles the life span of worms to startlingfor them6 weeks. no. Guttorp, and J. Next News How Much Can Human Life Span Be Extended? Jennifer CouzinWhen Jeanne Calment died in nursing home in southern France in she was years old, the longestliving human ever documented. The elasticity found in other species might not apply to us. . Summary . PDF THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES Has the time come to take on time itself?.
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