Tag: "older" at biology news
Current smoke alarms pass life-saving tests
...other alarms connected to it within a building) in older
homes. Major U.S. housing codes have required interconnected smoke alarms, including alarms in bedrooms, since 1993. However, most homes built before that date are not so equipped. The NIST report also looked at the interaction of smoke alarms and r...
UCSB discovery may accelerate new treatment for global health problem
...ations. An estimated 200,000 people, many of them older
children, die every year from schistosomiasis. Many more suffer chronic damage to vital organs, including the liver and bladder. The inventors are Mark Walter, a research biologist, and Armand Kuris, professor of biology."Calcium channel blockers l...
UC Santa Barbara donates discovery to OneWorld Health that may speed disease treatment
...ations. An estimated 200,000 people, many of them older
children, die every year from schistosomiasis. Many more suffer chronic damage to vital organs, including the liver and bladder. The inventors are Mark Walter, a research biologist, and Armand Kuris, professor of biology. "Calcium channel blockers ...
Just how much water do we really need? The answer may depend on our age
...ay) than in 40- to 49-yr-old men, and was lower in older
age group (2.3 l/day) than in 40- to 49- and 50- to 59-year-old women. Urine production averaged 2.2 l/day in men (range: 0.6-4.9 l/day) and 2.2 l/day in women (0.9-6.0 l/day). Other results indicated no age-related differences in women, but men 60-6...
Study predicts conditions for sustainable lion trophy hunting
... what the yearly quota, as long as only males 5 or older
were taken. Female populations stabilized at a slightly higher number if only males 6 or older
were taken. "By maximizing the population, hunters maximize their harvest," said Packer, who is a co...
Flies offer clues to anesthesia-resistant memory
...ontrast, for reasons that are not well understood, older
memories are resistant to the effects of anesthesia. With the help of model organisms such as Drosophila, different types of memory are also now beginning to be identified on the basis of genetic requirements. This week, new analysis of a fly gene re...
New study may explain how fats damage neurons in Alzheimer's patients
... which is projected to affect more than 13 million older
Americans by 2050, unless ways are found to preven...ently published study regarding a possible link in older
men between testosterone levels in the blood and Alzheimer's disease. Carl W. Cotman, a neurochemist...
Parkinson's disease genetic study progresses with $8 million grant
... risk factor for developing Parkinson's disease in older
adults when one of the two gene pairs is abnormal. Previously, it was believed that the parkin gene only was involved in the development of juvenile Parkinson's disease and only when both copies of the parkin genes were abnormal. Researchers also na...
Scientists making advances in cancer prevention, detection and treatment to receive awards
...eatment, especially through her demonstration that older
patients can be cured with appropriate therapy. The award's namesake was an honorary member and past president of AACR, as well as a major figure in clinical cancer research. Dr. Bloomfield's lecture, "Curing Acute Leukemia in Adults," will be from...
Scientists at Scripps Research Institute describe structure of receptor on surface of 1918 flu virus
...ds. The avian nature of the structure suggests the older
age group may have been partially protected by exposure to a similar virus in an earlier epidemic....
Scientists' findings may lead to better understanding of how that sleep develops, matures
...ccount that spindles and slow waves are present in older
infants, and thus allowing the researchers to differentiate between stage 1 (S1), stage 2 (S2), and slow wave sleep (SWS). Thus, the scoring criteria resembled those used in adults. A sleep cycle was defined as the succession of a QS/NREMS episode l...
Genetic screening recommended to detect new neurodegenerative disorder in men over age 50
... FXTAS (pronounced fax-tass), the disorder affects older
men who are carriers of a small mutation (premutat...ir 80s. The study also showed that the majority of older
males carriers of the premutation will develop at least mild symptoms of FXTAS. FXTAS is characteriz...
New study finds evolutionary diversification in Hawaiian spiders
... mass can actually maintain over the long term. On older
islands, species jostle and compete for space and ...ere is only a single ecological type on any of the older
mountains. The result is reminiscent of the results scientists have found when studying how mainla...
NIEHS and UNC to collaborate on registry of 20,000 subjects
...uirement is that the patient be 18 years of age or older
to give consent. Dr. Blackshear said that the registry will be unusual in that patient identifiers will be maintained in coded form, giving scientists the ability to re-contact participants at a later date for follow-up studies. "There were no reso...
Gene affecting bone mass, osteoporosis risk identified
...rosis Foundation, 55 percent of people ages 50 and older
in the United States have either osteoporosis or low bone mass. More than 52 million people are expected to be affected by the diseases by 2010, and that amount is expected to climb to 61 million by 2020. Eric Orwoll, M.D., professor of medicine at ...
Armies of fighting fungi protect chocolate trees
... were highly localized, and were more important in older
leaves that lack the defensive chemicals characteristic of younger leaves. Such a multifaceted, protective effect of fungal endophytes has never before been demonstrated in angiosperm (broad-leaved) trees, she said. Particularly significant was the p...
Traditional Christmas snack under threat
...sted over several to many decades are dominated by older
trees, with very few younger trees present, sugges...models point to a dwindling number of increasingly older
trees in persistently overexploited areas, which have not been adequately replaced by young trees in...
Can the mode of training affect the hormone response to different modes of exercise?
...easing lean body mass and muscular strength. Among older
men, it may help to replace the decline in testosterone, which can negatively affect body composition and physical function. Studies have shown that endurance-trained men tend to have lower levels of testosterone compared to their sedentary counter...
Early identification of kidney disease cost-effective only when directed at high-risk patients
...ld be limited to those with other risk factors and older
Americans, a Johns Hopkins study indicates. "Given the relatively inexpensive and safe nature of urine testing for proteinuria, physicians might assume that frequent screening is something worth doing for everyone, but that's probably not true," say...
Hope available for patients with anemia and myelodysplastic syndrome
...ifarnib." This study primarily enrolled older
patients, the median age being 74. Twenty-one percent of patients have experienced a complete response, and the overall response rate (complete response and partial response) was 36 percent. Median duration of response in complete responders was 5....
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