Aging Current Events | Aging News | 3
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Stem Cell Activity Deciphered in the Aging Brain
Neurobiologists have discovered why the aging brain produces progressively fewer new nerve cells in its learning and memory center. The scientists said the finding, made in rodents, refutes current ideas on how long crucial "progenitor" stem cells persist in the aging brain. view more (2006-12-19)
Think memory worsens with age? Then yours probably will
Thinking your memory will get worse as you get older may actually be a self-fulfilling prophecy. Researchers at North Carolina State University have found that senior citizens who think older people should perform poorly on tests of memory actually score much worse than seniors who do not buy in to negative stereotypes about aging and memory loss. view more (2009-04-22)
Suppressing a gene in mice prevents heart from aging, preserves its function
Scientists prevented age-related changes in the hearts of mice and preserved heart function by suppressing a form of the PI3K gene, in a study reported in Circulation: Journal of the American Heart Association. view more (2009-10-13)
Baby Boomer Health Care Crisis Looms; GSA Bolsters Call for Stronger Workforce
America's aging citizens are facing a health care workforce too small and unprepared to meet their needs, according to a new report from the Institute of Medicine (IOM) titled "Retooling for an Aging America: Building the Health Care Workforce." view more (2008-04-18)
p53, tumor suppression and aging
In the January 1 issue of Genes & Development, Dr. Mary Ellen Perry and colleagues validate the p53 inhibitor, Mdm2, as a promising target for cancer therapies. view more (2006-01-03)
Anti-aging hormone reduces reactive oxygen species
Scientists recently discovered an anti-aging hormone called Klotho. Now, a new study shows that this protein acts by increasing the cell's ability to detoxify harmful reactive oxygen species. view more (2005-11-04)
Agent slows aging in mice
Aspirin didn't pan out. Neither did two other potential anti-aging agents. But a synthetic derivative of a pungent desert shrub is now a front- runner in ongoing animal experiments to find out if certain chemicals, known to inhibit inflammation, cancer and other destructive processes, can boost the odds of living longer. view more (2007-06-04)
Loneliness is bad for your health
Two University of Chicago psychologists, Louise Hawkley and John Cacioppo, have been trying to disentangle social isolation, loneliness, and the physical deterioration and diseases of aging, right down to the cellular level. view more (2007-08-20)
Insulin regulates the secretion of the antiaging hormome Klotho
Dr. Carmela Abraham, a professor of biochemistry and medicine at Boston University School of Medicine (BUSM), reports this week in the Proceedings of the National Academy of Sciences new findings on Klotho, an anti-aging gene that is associated with life span extension in rodents and humans. view more (2007-11-28)
Testosterone therapy may prevent Alzheimer's disease
Researchers at the University of Southern California have discovered a direct link between loss of testosterone and the development of an Alzheimer's-like disease in mice. They also discovered that testosterone treatment slows progression of the disease. view more (2006-12-20)
Role for CISD2 gene in human disease and lifespan control
In the May 15th issue of G&D, Dr. Ting-Fen Tsai (The National Yang-Ming University, Taiwan) and colleagues present a new animal model of human Wolfram Syndrome, and effectively link CISD2 gene function, mitochondrial integrity and aging in mammals. view more (2009-05-15)
Smoking linked with aging on skin that usually is not exposed to sunlight
In classic movies, cigarette smoking was used as shorthand to convey sultriness and beauty. In the real world, the connection between smoking and one's appearance - as many studies have shown - has more to do with premature signs of aging and less to do with glamour and refinement. view more (2007-03-20)
Seniors unfairly stereotyped as grouchy and frail
A study of caregivers of Alzheimer's patients and non-caregivers done by the University of Alberta in Edmonton, Canada revealed that seniors are being stereotyped as grouchy, inflexible to change, and mostly living in nursing homes, when the opposite is true. view more (2007-05-02)
Testosterone Replacement Therapy: How Safe For Aging Men?
For decades, older women have taken hormone replacements to replenish estrogen and progesterone levels lost to aging. More recently, testosterone (the most important male hormone) supplements have been used by aging men to improve their muscle mass, bone strength, libido and quality of life. view more (2007-08-09)
Nitric oxide could extend fertility
Researchers have found that an important chemical compound, nitric oxide, appears to slow or reverse the aging of eggs in mouse ovaries. view more (2005-09-08)
Studies find general mechanism of cellular aging
Three separate studies confirm a gene that suppresses tumor cell growth also plays a key role in aging. view more (2006-09-07)
Characteristic shadow painting by Raphael unintentional
According to the Amsterdam art historian Margriet van Eikema Hommes, the very deep shadows and the extremely dark background in the bottom half of Raphael`s last painting, The Transfiguration of Christ (1517-1520), were never what the painter intended. This is based on her study of the aging and discolouration of pictures. The research provides a... view more... (2002-02-19)
Scientists Unlock Possible Aging Secret in Genetically Altered Fruit Fly
Brown University researchers have identified a cellular mechanism that could someday help fight the aging process. view more (2009-01-23)
A young brain for an old bee
We are all familiar with the fact that cognitive function declines as we get older. Moreover, recent studies have shown that the specific kind of daily activities we engage in during the course of our lives appears to influence the extent of this decline. view more (2009-07-01)
Why kidneys from older donors do not last as long as those from younger individuals
Kidneys from older donors often do not survive long after transplantation because of certain structural dysfunctions that can occur as the kidney ages, according to a study appearing in the January 2009 issue of the Journal of the American Society Nephrology (JASN). view more (2008-09-25)
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