| New links found between sleep duration, depression Posted: 31 Jan 2014 08:08 PM PST A genetic study of adult twins and a community-based study of adolescents both report novel links between sleep duration and depression. A study of 1,788 twins is the first to demonstrate a gene by environment interaction between self-reported habitual sleep duration and depressive symptoms. Another study of 4,175 individuals between 11 and 17 years of age is the first to document reciprocal effects for major depression and short sleep duration among adolescents using prospective data.  |
| Retrieval practice improves memory in severe traumatic brain injury, researchers demonstrate Posted: 31 Jan 2014 10:08 AM PST Researchers have shown that retrieval practice can improve memory in individuals with severe traumatic brain injury. Despite the small sample size, it was clear that retrieval practice was superior to other learning strategies in this group of memory-impaired individuals with severe traumatic brain injury.  |
| To calculate long-term conservation pay off, factor in people Posted: 31 Jan 2014 10:08 AM PST Paying people to protect their natural environment is a popular conservation tool around the world -– but figure out that return on investment, for both people and nature, is a thorny problem, especially since such efforts typically stretch on for years. Reseachers have developed a new way to evaluate and model the long-term effectiveness of conservation investments.  |
| Potential biomarkers for diagnosis of Alzheimer's disease Posted: 31 Jan 2014 10:07 AM PST Researchers identify abnormal expression of genes, resulting from DNA relaxation, that can be detected in the brain and blood of Alzheimer's patients.  |
| Autistic brains create more information at rest, study show Posted: 31 Jan 2014 10:06 AM PST New research finds that the brains of autistic children generate more information at rest – a 42% increase on average.  |
| New study finds no reason to replace fructose with glucose Posted: 31 Jan 2014 05:35 AM PST Researchers have found there is no benefit in replacing fructose, the sugar most commonly blamed for obesity, with glucose in commercially prepared foods.  |
| Discovery May Lead to New Drugs for Osteoporosis Posted: 30 Jan 2014 03:53 PM PST Scientists have discovered what appears to be a potent stimulator of new bone growth. The finding could lead to new treatments for osteoporosis and other diseases that occur when the body doesn't make enough bone.  |
| HPV study: Does vaccinating one sexual partner also benefit the other? Posted: 30 Jan 2014 12:28 PM PST A new study will examine whether vaccinating only one partner in a couple against the human papillomavirus (HPV) can help prevent transmission of HPV to the unvaccinated partner.  |
| Epigenetic alterations may contribute to age-related breast cancer risk Posted: 30 Jan 2014 12:28 PM PST Age is a key risk factor for breast cancer. A recent study examines the connection between cancer and the aging process to see if epigenetic DNA alterations might contribute to age-related increases in breast cancer risk.  |
| Scientists unveil molecular mechanism that controls plant growth, development Posted: 30 Jan 2014 11:13 AM PST A new study unravels the mystery behind how the plant hormones called auxins activate multiple vital plant functions through various gene transcription factors.  |
| Effects of catch-and-release fishing on sharks studied Posted: 30 Jan 2014 11:13 AM PST A new study investigated how several species of coastal sharks respond to stress from catch-and-release fishing. The results revealed that each of the shark species responded differently. Hammerhead sharks were by far the most vulnerable to fighting on a fishing line.  |
| Cell membrane model studied as future diagnostic tool Posted: 30 Jan 2014 10:31 AM PST Researchers have used a laboratory model of a simplified cell membrane to accurately detect and measure a protein associated with a serious gynecological disease, bacterial vaginosis, at extraordinarily low concentrations.  |
| Zebra fish fins provide insight into bone regeneration Posted: 30 Jan 2014 10:31 AM PST Biologists say they have opened the window on the natural process of bone regeneration in zebra fish, and that the insights they gained could be used to advance therapies for bone fractures and disease.  |
| Real-time video feedback could improve effect of core stabilization exercise in stroke patients Posted: 30 Jan 2014 10:30 AM PST About 80% of stroke survivors experience hemiparesis, which causes weakness or the inability to move one side of the body. Core stabilization exercise to improve postural stability and independent walking in chronic hemiparetic stroke patients could be enhanced by real-time video feedback, report researchers.  |
| FDA approves new MS treatment regimen Posted: 30 Jan 2014 10:30 AM PST Global research results will immediately change the treatment regimen of millions of multiple sclerosis patients around the world.  |
| Some lung diseases reversed in mice by coaxing production of healthy cells Posted: 30 Jan 2014 09:16 AM PST Introducing proteins that direct lung stem cells to grow the specific cell types needed to repair lung injuries could lead to new ways to treat some lung diseases, according to research published.  |
| Women with mental health disability may face four-fold risk of abusive relationship: Study Posted: 30 Jan 2014 09:16 AM PST Women with a severe mental health-related disability are nearly four times more likely to have been a victim of intimate partner violence than those without a disability, according to a new study.  |
| Two separate molecular profiles of invasive bladder cancer, genomic analysis reveals Posted: 30 Jan 2014 09:13 AM PST In the second-ever whole-genome analysis in bladder cancer, researchers found two distinct patterns of genetic alteration in tumors and identified a potential target.  |
| 'Attention on the flight deck:' What doctors can learn from pilots about communication Posted: 30 Jan 2014 08:09 AM PST With the introduction of a "third party" into the exam room -- the computer that powers electronic medical records -- communication between physician and patient has become more complex. A new study explores the role this technology plays in the doctor-patient relationship.  |
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