ScienceDaily Health Headlines
for Wednesday, January 18, 2012
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Intestinal worms may help promote healing (January 18, 2012) -- Intestinal worm infections may not be all bad, according to a new study. In research on mice immune reaction to the presence of intestinal worms was found to promote wound healing in the lungs. ... > full story
Precancer markers identified in airway epithelium cells of healthy smokers (January 18, 2012) -- Smokers are more likely to have molecular features of cancerization in the large airway epithelium. Smokers with COPD had significant changes in the small airway epithelium, new research has shown. New findings could lead to development of a diagnostic test. ... > full story
When co-workers are treated poorly: 'I feel your pain ...' (January 18, 2012) -- According to a new study, workers who witness incivility towards colleagues feel negative emotions -- especially when the incivility is aimed at workers of the same sex. The work is the first to look at the relationship between employees' observations of incivility towards same gender coworkers and negative emotions. ... > full story
Dietary DHA linked to male fertility (January 18, 2012) -- A certain omega-3 fatty acid is necessary to construct the arch that turns a round, immature sperm cell into a pointy-headed super swimmer with an extra long tail, according to new research. The study shows that docosahexaenoic acid is essential in fusing the building blocks of the acrosome together. The acrosome is critical in fertilization because it houses, organizes, and concentrates a variety of enzymes that sperm use to penetrate an egg. ... > full story
Inflammation may link obesity and adverse pregnancy outcomes (January 18, 2012) -- A number of different immunological mechanisms ensure the successful establishment and maintenance of pregnancy. Imbalance in these mechanisms is associated with adverse pregnancy outcomes. Researchers have now examined the impact of maternal obesity on the inflammatory responses in tissues of both the mother and the child. ... > full story
Treatment for diabetes and depression improves both, researchers say (January 18, 2012) -- Patients simultaneously treated for both Type 2 diabetes and depression improve medication compliance and significantly improve blood sugar and depression levels compared to patients receiving usual care, according to a new study. ... > full story
Study reveals origins of esophageal cancer (January 17, 2012) -- Researchers have identified the critical early cellular and molecular events that give rise to a type of esophageal cancer called esophageal adenocarcinoma, the fastest-rising solid tumor in the United States. The findings challenge conventional wisdom regarding the origin and development of this deadly cancer and its precursor lesion, Barrett's esophagus, and highlight possible targets for new clinical therapies. ... > full story
Marijuana use associated with cyclic vomiting syndrome in young males (January 17, 2012) -- Researchers have found clear associations between marijuana use in young males and cyclic vomiting syndrome, where patients experience episodes of vomiting separated by symptom-free intervals. ... > full story
Combination therapy shows positive response for children with ADHD (January 17, 2012) -- The first randomized placebo-controlled trial designed to assess efficacy and safety of guanfacine extended release as an adjunct to psychostimulants in children and adolescents diagnosed with ADHD who had a suboptimal response to a psychostimulant alone has just been published. ... > full story
Natural enzyme provides potential new approach for treating graft-vs.-host disease (January 17, 2012) -- A natural enzyme derived from human blood plasma showed potential in significantly reducing the effects of graft-vs.-host disease, a common and deadly side effect of lifesaving bone marrow transplants. ... > full story
Chemotherapy may influence leukemia relapse (January 17, 2012) -- The chemotherapy drugs required to push a common form of adult leukemia into remission may contribute to DNA damage that can lead to a relapse of the disease in some patients, findings of a new study suggest. ... > full story
The illusion of courage: Why people mispredict their behavior in embarrassing situations (January 17, 2012) -- Whether it's investing in stocks, bungee jumping or public speaking, why do we often plan to take risks but then "chicken out" when the moment of truth arrives? Scientists argue that this "illusion of courage" is one example of an "empathy gap" -- that is, our inability to imagine how we will behave in future emotional situations. ... > full story
How the brain computes 3-dimensional structure (January 17, 2012) -- The ability of our brain to create a 3D representation from an object's 2D projection on the retina is not well understood and is likely to be highly complex. Now, new research provides the first direct evidence that specific brain areas underlie perception of different 3D structures and sheds light the way that the primate brain reconstructs real-world objects. ... > full story
Inflammation in depression: Chicken or egg? (January 17, 2012) -- An important ongoing debate in the field of psychiatry is whether inflammation in the body is a consequence of or contributor to major depression. A new study has attempted to resolve the issue. ... > full story
Planned actions improve the way we process information (January 17, 2012) -- Preparing to act in a particular way can improve the way we process information, and this has potential implications for those with learning disabilities. Researchers have shown that using a grabbing action with our hands can help our processing of visual information. ... > full story
Short, sharp shock treatment for E. coli (January 17, 2012) -- A short burst of low voltage alternating current can effectively eradicate E. coli bacteria growing on the surface of even heavily contaminated beef, according to a new study. The technique offers an inexpensive and easy to implement approach to reducing the risk of food poisoning, which can occur despite handlers complying with hygiene standards. ... > full story
Breast cancer spread triggered by a cleaver-wielding protein on cancer cell's surface (January 17, 2012) -- Scientists have exposed a cell pathway that breast tumor cells use to destruct local tissue neighborhood. Cancer cells may use this pathway to free themselves from mammary epithelial tissue architecture, to spread to surrounding tissues. The cell pathway, the researchers found, is a biochemical chain of events leading to activation of a protein-cleaving enzyme on the surface of the tumor cells. ... > full story
Traditional physical autopsies – not high-tech 'virtopsies' – still the gold standard for determining cause of death, experts claim (January 17, 2012) -- TV crime shows like Bones and CSI are quick to explain each death by showing highly detailed scans and video images of victims’ insides. Traditional autopsies, if shown at all, are at best in supporting roles to the high-tech equipment, and usually gloss over the sometimes physically grueling tasks of sawing through skin and bone. ... > full story
Large and in charge: Powerful people overestimate their own height (January 17, 2012) -- The psychological experience of power makes people feel taller than they are, according to new research. It seems there is actually a physical experience that goes along with feeling powerful. ... > full story
Major genetic mutation associated with hereditary prostate cancer risk discovered (January 17, 2012) -- After a 20-year quest to find a genetic driver for prostate cancer that strikes men at younger ages and runs in families, researchers have identified a rare, inherited mutation linked to a significantly higher risk of the disease. ... > full story
Monitored heart bracelets may prevent sudden death in sport (January 17, 2012) -- The use of heart bracelets connected via ICT (Information and Communication Technologies) to a system of tracking and monitoring could prevent cases of sudden death in sports activities. It could also enable an early detection of cardiac abnormalities, the prevention of certain muscle injuries and the improvement in health care times to the athlete. ... > full story
Headphones linked to pedestrian deaths, injuries (January 17, 2012) -- Serious injuries to pedestrians listening to headphones have more than tripled in six years, according to new research. In many cases, the cars or trains are sounding horns that the pedestrians cannot hear, leading to fatalities in nearly three-quarters of cases. ... > full story
Brain circuits for visual categorization revealed by new experiments (January 16, 2012) -- Hundreds of times during a baseball game, the home plate umpire must instantaneously categorize a fast-moving pitch as a ball or a strike. Scientists have now pinpointed an area in the brain where these kinds of visual categories are encoded. ... > full story
New indicator may help identify patients with increased risk from throat cancer (January 16, 2012) -- Researchers have found a new indicator that may predict which patients with a common type of throat cancer are most likely have the cancer spread to other parts of their bodies. ... > full story
People mimic each other, but only when they have the same goal, study suggests (January 16, 2012) -- It's easy to pick up on the movements that other people make -- scratching your head, crossing your legs. But a new study finds that people only feel the urge to mimic each other when they have the same goal. ... > full story
Discovery could help stem smoking-related diseases (January 16, 2012) -- Sufferers of smoking-related lung diseases could have their debilitating symptoms reduced following the discovery of a potential new treatment. ... > full story
Revolutionary surgical technique for perforations of the eardrum (January 16, 2012) -- Scientists announce a revolutionary surgical technique for perforations of the eardrum. The 20-minute procedure in outpatient clinic without general anesthetic may replace long and costly day surgery. ... > full story
Some like it hot: Popular yoga style cranks up the heat (January 16, 2012) -- Yoga is one of the hottest fitness trends and a style known as “hot yoga” is gaining in popularity. While the practice can offer health benefits, people practicing hot yoga, especially beginners, should take certain precautions, according to an expert. ... > full story
How stem cell implants help heal traumatic brain injury (January 16, 2012) -- Researchers have identified key molecular mechanisms by which implanted human neural stem cells aid recovery from traumatic axonal injury. ... > full story
Advance toward treatment for painful flat feet (January 16, 2012) -- Scientists have made an advance in understanding the causes of adult-acquired flat feet -- a painful condition particularly affecting middle-aged women. ... > full story
Deaf sign language users pick up faster on body language (January 16, 2012) -- Deaf people who use sign language are quicker at recognizing and interpreting body language than hearing non-signers, according to new research. ... > full story
Gene identified as a new target for treatment of aggressive childhood eye tumor (January 16, 2012) -- New findings help solve mystery of retinoblastoma's rapid growth in work that also yields a new treatment target and possible therapy. ... > full story
Active compounds against Alzheimer's disease: New insights thanks to simulations (January 16, 2012) -- Various molecules have been synthesized that inhibit self-assembly of the amyloid beta peptide in vitro. This peptide is strongly linked to Alzheimer's disease. Based on computer simulations, biochemists have recently shown how the active compounds and fragments of this disease-causing peptide interact with each other: it is the disordered structure of the peptide that determines the interactions with active compounds. ... > full story
Discrimination may harm your health (January 16, 2012) -- Racial discrimination may be harmful to your health, according to new research. In the study, the authors examined data containing measures of social class, race and perceived discriminatory behavior and found that approximately 18 percent of blacks and 4 percent of whites reported higher levels of emotional upset and/or physical symptoms due to race-based treatment. ... > full story
Wood-burning stoves: Harmful or safe? (January 16, 2012) -- Wood-burning stoves are a popular source of heating in many countries. However in recent years there has been much debate about the potential negative health effects associated with wood smoke. A researcher has now studied the influence of combustion conditions on the emissions and their health effects. ... > full story
Researchers use sugar to halt esophageal cancer in its tracks (January 15, 2012) -- Scientists have identified changes in the patterns of sugar molecules that line pre-cancerous cells in the esophagus, a condition called Barrett’s dysplasia, making it much easier to detect and remove these cells before they develop into esophageal cancer. These findings have important implications for patients and may help to monitor their condition and prevent the development of cancer. ... > full story
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