Less than half of older Americans get the recommended 8 hours of nightly sleep
Jun 10, 2009 |
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Older Americans with depressive symptoms and poor mental health tend to get seven hours of sleep per night or less, according to new research.
China plans new terracotta warrior excavation
Other Sciences / Archaeology & Fossils
Jun 10, 2009 |
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(AP) -- China plans to excavate more of the life-size terracotta warriors at the famed ancient tomb of the country's first emperor.
Researchers find how a common genetic mutation makes cancer radiation resistant
Jun 10, 2009 |
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(PhysOrg.com) -- Many cancerous tumors possess a genetic mutation that disables a tumor suppressor called PTEN. Now researchers at Washington University School of Medicine in St. Louis have shown why inactivation of PTEN ...
Hatchery fish may hurt efforts to sustain wild salmon runs
Jun 10, 2009 |
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Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according ...
Brain molecule reduces food intake
Jun 10, 2009 |
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Researchers at Imperial College London have identified a new appetite suppressant for promoting weight loss that they say works in rodents and may one day be used to develop an effective anti-obesity treatment.
How young mice phone home: Study gives clue to how mothers' brains screen for baby calls
Medicine & Health / Neuroscience
Jun 10, 2009 |
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Emory University researchers have identified a surprising mechanism in the brains of mother mice that focuses their awareness on the calls of baby mice. Their study, published June 11 in Neuron, found that t ...
Techniques appear to lower radiation exposure from cardiac scans without impairing image quality
Jun 10, 2009 |
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An intervention that includes techniques to reduce the amount of radiation from cardiac computed tomography angiography (scanning used to diagnose coronary artery disease) was associated with decreasing patient exposure to ...
Donor stem cell transplantation associated with survival benefit for patients with leukemia
Jun 10, 2009 |
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An analysis of previous studies indicates that allogeneic stem cell transplantation (SCT) (stem cells from a compatible donor) is associated with significant overall and relapse-free survival benefit among adult patients ...
Socioeconomic status, gender and marital status influence sleep disturbances
Jun 10, 2009 |
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According to new research, increased sleep disturbances are associated with lower education, income or being unmarried or unemployed. Disturbances are much more likely in multiracial individuals.
Naps with rapid eye movement sleep increase receptiveness to positive emotion
Jun 10, 2009 |
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Naps with rapid eye movement (REM) sleep refresh the brain's empathetic sensitivity for evaluating human emotions by decreasing a negative bias and amplifying recognition of positive emotions.
Link found between poor sleep quality and increased risk of death
Jun 10, 2009 |
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Quality, in addition to quantity, is important for maintaining health, according to new research. Results indicate that over the average follow-up of eight years, 854 of the 5,614 participants died. Two sleep-stage transition ...
New family-focused model of depression care needed to minimize risks
Jun 10, 2009 |
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Health and social service professionals who care for adults with depression should not only tackle their clients' physical and mental health, but also detect and prevent possible spillover effects on their children, says ...
Caffeine intake prevents risk taking after extreme sleep deprivation
Jun 10, 2009 |
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Caffeine use prevents increased risk taking that occurs after several nights of total sleep deprivation, according to new research. Results indicate that despite extreme sleep deprivation, participants who had consumed caffeine ...
Zero tolerance alcohol policy good choice for parents
Jun 10, 2009 |
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Restaurants in Germany legally sell alcohol to teenagers after their sixteenth birthdays and French children drink wine with dinner at an early age, but U.S. parents who follow this relaxed European example, believing it ...
Facebook, like MySpace, lets users show full name
Jun 10, 2009 |
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(AP) -- Facebook is further embracing the real name culture it touts as one of its founding principles - and catching up with rival MySpace in the process.
