Noncorrectable vision problems linked to shorter lifespan in older adultsOctober 13th, 2009 WASHINGTON - A new study has found that visual problems that cannot be corrected are linked to an increased risk of death in older adults. Visual impairment has been linked to a higher risk of death as well as factors that may lead to increased death such as unintentional injury, depression, lower body mass index (BMI), reduced walking speeds, increased risk of falls, self-reported difficulty in physical activity, cardiovascular disease, dementia and cancer, according to background information in the article.
Regular exercise benefits older women as much as younger womenSeptember 19th, 2009 WASHINGTON - Regular vigorous exercise benefits postmenopausal women just like younger women, according to two studies. The results were based on the studies of endurance training in 50-something women.
How a hormone influences the motivation to eatAugust 6th, 2009 WASHINGTON - It's a well-known fact: people eat not only because they are hungry, but also because the food just simply tastes too good to ignore. Now, a new study has helped explain how leptin, a hormone produced by fat tissue, influences that motivation to eat.
Temperature directly proportional to lifespan in cold-blooded animalsJuly 28th, 2009 WASHINGTON - Warmer temperatures make cold-blooded organisms like fish, amphibians, crustaceans, and lizards live longer at higher latitudes than at lower latitudes, according to a study. Led by Stephan Munch and Santiago Salinas, from Stony Brook University, the study focussed on a diverse range of species whose body temperatures vary with the temperature of their surroundings.
Now, a metabolic 'fingerprint' for personalized medical careJuly 23rd, 2009 WASHINGTON - Fingerprints as a marker of your unique identity could soon be obsolete, for scientists have now found that people have another defining trait that may distinguish them from the rest of the human population-a metabolic fingerprint. In the study, the researchers have reported evidence of the existence of unique patterns in metabolism in humans.
Booze gives one a high in 6 minutes flatJune 16th, 2009 WASHINGTON - Alcohol can get to a person's head in just six minutes after taking a drink, according to researchers in Heidelberg. Using magnetic resonance spectroscopy (MRS), the scientists have shown that only six minutes after consuming an amount of alcohol-equivalent to three glasses of beer or two glasses of wine, which leads to a blood alcohol level of 0.05 to 0.06 percent-can cause changes in the brain cells.
Why alcoholics often turn violentJune 2nd, 2009 WASHINGTON - People always turn aggressive or violent when they are drunk. Now, a new study from Finland sheds light on why this happens.
How oxidative stress may help extend lifespanMay 29th, 2009 WASHINGTON - Scientists at the University of California, San Diego claim to have identified a mechanism of oxidative stress that prevents cellular damage. "We may drink pomegranate juice to protect our bodies from so-called 'free radicals' or look at restricting calorie intake to extend our lifespan," said Dr Trey Ideker, chief of the Division of Genetics in the Department of Medicine at UC San Diego's School of Medicine and professor of bioengineering at the Jacobs School of Engineering.
Why body clock doesn't change with temperatureMay 17th, 2009 WASHINGTON - Two studies conducted by scientists at Dartmouth Medical School have provided significant insights into why the 24-hour body clock does not change with temperature when metabolism is so affected. Circadian systems are biological oscillators that orchestrate activities through an elaborate network of interactive proteins and feedback loops.
Old Parkinson's drug tweaked into a diabetes treatment to try to reset metabolismMay 6th, 2009 FDA backs drug that treats diabetes via the brainWASHINGTON — People with Type 2 diabetes may soon get a very different treatment approach: A drug that helps control blood sugar via the brain — an idea sparked, surprisingly, by the metabolism of migrating birds. The Food and Drug Administration approved Cycloset, maker VeroScience Inc.
Late mothers live longerMay 4th, 2009 WASHINGTON - Women who have babies in their forties and fifties tend to live longer than other women, according to a new study. The study shows their brothers also live longer, but their wives don't.
Late motherhood enhances family lifespanMay 4th, 2009 WASHINGTON - If women in your family give birth at older ages, you may well have a chance of living longer than you would otherwise, a new study has found. The study confirmed a previous finding that women who have babies naturally in their 40s or 50s tend to live longer than other women.
Angry people likely to be addicted to nicotineApril 24th, 2009 WASHINGTON - People who tend to be angry are more susceptible to nicotine's effects, hence more likely to become addicted to cigarettes, according to the latest study. Jean Gehricke led a team of researchers from the University of California (U-C) which studied the effect of nicotine patches on the subjects' tendency to retaliate in response to anger provocation.
How smoking relieves stressApril 24th, 2009 WASHINGTON - Smoking to relieve stress is nothing new. But a new study has shown just how nicotine calms people down.
Scientists discover new possibilities for hydrogen-producing algaeMarch 25th, 2009 WASHINGTON - Researchers studying a hydrogen-producing, single-celled green alga, Chlamydomonas reinhardtii, have unmasked a previously unknown fermentation pathway that may open up possibilities for increasing hydrogen production. C. reinhartii, a common inhabitant of soils, naturally produces small quantities of hydrogen when deprived of oxygen.
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