Articles with the keyword: 
First-ever trial proves exercise helps memory
sea-maid submitted, created time 4 days 5 hours (esciencenews.com)
West Australian health experts are urging older people to get active after proving for the first time that just twenty minutes of activity each day can prevent memory deterioration. In a world-first, a team from the WA Centre for Health and Ageing (WACHA) based at the Western Australian Institute for Medical Research (WAIMR) has shown that regular physical activity can lead to a lasting improvement in memory function. 
sea-maid submitted, created time 3 weeks 5 days (sciencenow.sciencemag.org)
Humans have been trying to outrun old age for millennia, and new research might give us a step on the Grim Reaper. Scientists have prevented age-related liver decline in mice by restoring a key protein that helps the organ trash used proteins. It's not exactly the fountain of youth, but the findings could shed further light on the biological mechanisms of aging.....
Aging May Be Controlled by Brake and Accelerator Genes
sea-maid submitted, created time 1 month 1 week (www.sciam.com)
Can we tweak certain genes to stave off the aging process—or, conversely, to speed it up? New research indicates that it may one day be possible.
For the present, the current discovery helps to expalin something that the prevailing theory of aging--the idea that our bodies wear out because of errors accumulating in our DNA--cannot: why different species have different lifespans.
Caffeine extends yeast lifespan by targeting TORC1
kavin submitted, created time 1 month 3 weeks (www.ncbi.nlm.nih.gov)
Dietary nutrient limitation (dietary restriction) is known to increase lifespan in a variety of organisms. Although the molecular events that couple dietary restriction to increased lifespan are not clear, studies of the model eukaryote Saccharomyces cerevisiae have implicated several nutrient-sensitive kinases, including the target of rapamycin complex 1 (TORC1), Sch9, protein kinase A (PKA) and Rim15. We have recently demonstrated that TORC1 activates Sch9 by direct phosphorylation. We now show that Sch9 inhibits Rim15 also by direct phosphorylation
Red wine ingredient wards off effects of age on heart, bones, eyes and muscle
kavin submitted, created time 2 months 3 days (esciencenews.com)
Large doses of a red wine ingredient can ward off many of the vagaries of aging in mice who begin taking it at midlife, according to a new report published online on July 3rd in Cell Metabolism, a Cell Press publication. Those health improvements of the chemical known as resveratrol—including cardiovascular benefits, greater motor coordination, reduced cataracts and better bone density—come without necessarily extending the animals' lifespan. Sinclair and de Cabo's team further show evidence that resveratrol mimics the beneficial effects of eating fewer calories
Alzheimer's Risk Factor Also Aids HIV
sea-maid submitted, created time 2 months 2 weeks (www.sciencemag.org)
The defective lipid carrier apolipoprotein E4 (apoE4) has accumulated a nasty record. Not only are people who have the gene for apoE4 famously predisposed to Alzheimer's disease, but the same risk factor can also worsen several nervous system disorders and promote cardiovascular disease. A study out this week suggests that apoE4 also hastens the death of people infected with HIV, possibly by allowing the virus easy entry into cells.
Nocturia in Men Less Than 50 Years of Age May Be Associated with Obstructive Sleep Apnea Syndrome
kavin submitted, created time 2 months 2 weeks (www.sciencedirect.com)
Nocturia was found in 30 patients with OSAS (41.1%). The AHI was higher in patients with nocturia than in those without nocturia (P
Bright Lights May Hold Off Dementia
jerry submitted, created time 2 months 3 weeks (www.time.com)
A new study shows that patients in nursing homes with brighter lights do better than those in dimly lit facilities. Why?
How a thriving social life can boost lifespan
sea-maid submitted, created time 3 months 1 week (www.newscientist.com)
This study shows that the lifespan of these flies is plastic and can be conditioned by social interactions, corroborating the notion that human patients of certain age-dependant neurological diseases may be benefited by an appropriate social environment.
Making older Schwann cells young again
sea-maid submitted, created time 3 months 2 weeks (www.jcb.org)
Myelin-making Schwann cells have an ability that make people become young again. The author performed some research about why myelin production falters in some diseases.
Big U.S. study links breast cancer to drinking
Sue Wu submitted, created time 4 months 3 weeks (www.reuters.com)
A large U.S. study has linked alcohol consumption to an increased risk of the most common type of breast cancer in postmenopausal women.
New drug can protect cancer patients from radiation, but does it have other applications?
Darkfrog submitted, created time 4 months 3 weeks (www.sciam.com)
A new drug, called Protectan, can prevent radiation from causing cancer. Researchers noticed that while cancer cells used kappa-beta-a transcription factor to outlive ordinary cells, healthy gut cells also switched it on when they interacted with beneficial gut bacteria. Said researchers then purified a batch of proteins from the bacteria's flagellae and injected them into some test mice. Said mice are still alive and sniffing, even after what would otherwise be lethal doses of radiation.
The most obvious applications are in patients undergoing radiation therapy
Life Expectancy Tied to Education?
Sue Wu submitted, created time 5 months 3 weeks (www.cbsnews.com)
When it comes to education, does having more mean you live longer? A new study shows that highly educated Americans are expected to live longer than those with fewer years of schooling.
How Worms Protect Their Chromosomes
jane2007 submitted, created time 5 months 3 weeks (www.sciencedaily.com)
A new study shows that the roundworm C. elegans constructs the protective tips of its chromosomes -- known as telomeres -- with a little more panache than do mammals, a finding that could deepen our understanding of the interrelationship of aging and cancer.
Gene Mutation Linked to Longer Life
Sue Wu submitted, created time 6 months 2 days (www.sciam.com)
A type of gene mutation long known to extend the lives of worms, flies and mice also turns up in long-lived humans. Researchers found that among Ashkenazi Jews, those who survived past age 95 were much more likely than their peers to possess one of two similar mutations in the gene for insulinlike growth factor 1 receptor (IGF1R).
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