News tagged with lifespan

results timeline


Balancing protein intake, not cutting calories, may be key to long life

Balancing protein intake, not cutting calories, may be key to long life

Medicine & Health / Research

created Dec 02, 2009 | popularity 4.8 / 5 (17) | comments 5

Getting the correct balance of proteins in our diet may be more important for healthy ageing than reducing calories, new research funded by the Wellcome Trust and Research into Ageing suggests.


Not so sweet: Over-consumption of sugar linked to aging

Chemistry / Biochemistry

created Mar 06, 2009 | popularity 4.5 / 5 (11) | comments 1

We know that lifespan can be extended in animals by restricting calories such as sugar intake. Now, according to a study published in the journal PLoS Genetics, Université de Montréal scientists have discov ...


Key protein may explain the anti-aging and anti-cancer benefits of dietary restriction

Medicine & Health / Genetics

created May 22, 2009 | popularity 4.7 / 5 (9) | comments 3

A protein that plays a key role in tumor formation, oxygen metabolism and inflammation is involved in a pathway that extends lifespan by dietary restriction. The finding, which appears in the May 22, 2009 edition of the ...


Language driven by culture, not biology

Biology /

created Jan 20, 2009 | popularity 4.6 / 5 (7) | comments 1

(PhysOrg.com) -- Language in humans has evolved culturally rather than genetically, according to a study by UCL (University College London) and US researchers. By modelling the ways in which genes for language might have ...


Scientists said they tweaked organic light-emitting diodes to become flexible, energy-efficient sources of white light

Diode lights offer bright future for low energy

Technology / Engineering

created May 13, 2009 | popularity 3.8 / 5 (8) | comments 0

German scientists said Wednesday they had tweaked organic light-emitting diodes (OLEDs) -- the materials used in flat-screen TVs, laptop computer screens and mobile phone displays -- to become flexible, energy-efficient ...


Living longer and happier

Medicine & Health / Research

created Aug 19, 2009 | popularity 5 / 5 (5) | comments 2

A new study from the University of Missouri may shed light on how to increase the level and quality of activity in the elderly. In the study, published in this week's edition of Public Library of Science - ONE, MU resear ...


SIRT1 takes down tumors

SIRT1 takes down tumors

Biology / Cell & Microbiology

created Apr 13, 2009 | popularity 4.6 / 5 (5) | comments 0

Yuan et al. have identified another anti-cancer effect of the "longevity" protein SIRT1. By speeding the destruction of the tumor promoter c-Myc, SIRT1 curbs cell division. The study will be published online ...


Climbing the ladder to longevity: Critical enzyme pair identified

Climbing the ladder to longevity: Critical enzyme pair identified

Biology / Cell & Microbiology

created Jun 24, 2009 | popularity 4.4 / 5 (5) | comments 0

Experiment after experiment confirms that a diet on the brink of starvation expands lifespan in mice and many other species. But the molecular mechanism that links nutrition and survival is still poorly understood. ...


Why we outlive our ape ancestors

Medicine & Health / Research

created Dec 02, 2009 | popularity 4 / 5 (5) | comments 0

In spite of their genetic similarity to humans, chimpanzees and great apes have maximum lifespans that rarely exceed 50 years. The difference, explains USC Davis School of Gerontology Professor Caleb Finch, is that as humans ...


Starve a yeast, sweeten its lifespan

Biology / Cell & Microbiology

created Mar 24, 2009 | popularity 4.5 / 5 (4) | comments 0

Johns Hopkins researchers have discovered a new energy-making biochemical twist in determining the lifespan of yeast cells, one so valuable to longevity that it is likely to also functions in humans.


Sex and lifespan linked in worms: A family of sugar-like molecules controls both

Biology /

created Jul 23, 2008 | popularity 4.7 / 5 (3) | comments 0

A group of scientists who set out to study sex pheromones in a tiny worm found that the same family of pheromones also controls a stage in the worms' life cycle, the long-lived dauer larva.


Study reveals people’s thoughts on living longer

Medicine & Health / Health

created Nov 30, 2009 | popularity 4.7 / 5 (3) | comments 3

(PhysOrg.com) -- If people were given a pill to make them live longer what would they do with that extra time? According to a new study by University of Queensland researchers, they would spend it with their family.


Warmer environment means shorter lives for cold-blooded animals

Biology / Ecology

created Jul 27, 2009 | popularity 3.3 / 5 (4) | comments 0

Temperature explains much of why cold-blooded organisms such as fish, amphibians, crustaceans, and lizards live longer at higher latitudes than at lower latitudes, according to research published this week in the Proceedings of ...


How calorie-restricted diets fight obesity and extend life span

How calorie-restricted diets fight obesity and extend life span

Medicine & Health / Research

created Dec 09, 2009 | popularity 4 / 5 (2) | comments 0

Scientists searching for the secrets of how calorie-restricted diets increase longevity are reporting discovery of proteins in the fat cells of human volunteers that change as pounds drop off. The proteins ...


Probing Question: Can we save today's documents for tomorrow?

Probing Question: Can we save today's documents for tomorrow?

Technology / Hi Tech

created Feb 12, 2009 | popularity 5 / 5 (1) | comments 2

Even though your grandparents’ old photo albums are yellowed and grainy, they’re still there for you and your family to enjoy. But will your grandchildren be able to say the same of the digital photo albums ...