ScienceDaily Health Headlines
for Friday, July 23, 2010
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Salmonella contaminated pork may pose health risk for humans (July 23, 2010) -- German researchers have isolated a strain of Salmonella in pork that is closely related to the bacteria commonly found in chickens and linked to human food-borne illness. ... > full story
Protein important in diabetes may also play a key role in heart disease, other disorders (July 23, 2010) -- Studying a protein already known to play an important role in Type 2 diabetes and cancer, genomics researchers have discovered that it may have an even broader role in disease, particularly in other metabolic disorders and heart disease. In finding unsuspected links to other disease-related genes, the scientists may have identified future targets for drug treatments. ... > full story
Cannibinoids offer novel treatment for pain in sickle cell disease, study suggests (July 23, 2010) -- Researchers have discovered that cannibinoids offer a novel approach to ease the chronic and acute pain caused by sickle cell disease. ... > full story
More than half of all ACL reconstructions could be avoided, Swedish study finds (July 23, 2010) -- Anterior cruciate ligament (ACL) injuries are common injuries to the knee, primarily affecting young people who practise sport and often treated with surgical reconstruction. A research group from Sweden has now shown that 60 per cent of these operations could be avoided, without negatively affecting treatment outcomes. ... > full story
Inequalities in mortality in Britain today greater than those during 1930s economic depression, study finds (July 23, 2010) -- The level of inequalities in premature mortality between different areas of Britain has almost surpassed those seen shortly before the economic crash of 1929 and the economic depression of the 1930s, according to a new study. ... > full story
Smog might trigger cell death in the heart, study finds (July 22, 2010) -- An early study in rats provides the first direct indication that a major component of smog might trigger cell death in the heart, researchers report. ... > full story
Early HAART during TB treatment boosts survival rate in people co-infected with HIV and TB, study finds (July 22, 2010) -- A clinical trial in Cambodia has found it possible to prolong the survival of untreated HIV-infected adults with very weak immune systems and newly diagnosed tuberculosis by starting anti-HIV therapy two weeks after beginning TB treatment, rather than waiting eight weeks, as has been standard. ... > full story
Once a delinquent, always a delinquent? Not necessarily (July 22, 2010) -- Children who come in conflict with the law early on in life do not necessarily become long-term criminals thereafter, according to a child delinquency study by researchers in Germany. ... > full story
Cutting fat and calories can lower cancer risk in dogs and people (July 22, 2010) -- As many as 1 out of 3 cancer deaths in both humans and dogs could be prevented by reducing Omega-6 fatty acids and cutting calories, according to new research. ... > full story
African ancestry linked to high-risk breast cancer, study finds (July 22, 2010) -- A new study finds that African ancestry is linked to triple-negative breast cancer, a more aggressive type of cancer that has fewer treatment options. ... > full story
Customers less tolerant of employee rudeness than incompetence (July 22, 2010) -- Rude behavior among employees can negatively affect consumer perceptions -- even when the incivility isn't directed at the customer. ... > full story
Gene linked to aging also linked to Alzheimer's (July 22, 2010) -- Biologists report that they have discovered the first link between the amyloid plaques that form in the brains of Alzheimer's patients and a gene previously implicated in the aging process, SIRT1. ... > full story
Vitamins needed to help celiacs stave off bone disease, researchers find (July 22, 2010) -- Children with celiac disease need to include certain must-have vitamins in their diets to stave off weak bones and osteoporosis, say researchers. ... > full story
Genetic link to children’s emotional problems precipitated by bullying (July 22, 2010) -- Bullying victimization is common among children of school age, although its consequences are often anything but benign. The recent death of a Massachusetts teen by suicide prompted state lawmakers to pass one of the most far-reaching anti-bullying laws within the U.S. Whether such legislative actions result in measurable decreases in physical or emotional distress among school peers remains to be seen, but a team of researchers have discovered a genetic variation that moderates whether victims of bullying will go on to develop emotional problems. ... > full story
'Runaway' development implicated in loss of function of the aging brain (July 22, 2010) -- The brain undergoes rapid growth and development in the early years of life and then degenerates as we progress into old age, yet little is known about the biological processes that distinguish brain development and aging. In a new study, researchers have identified a gene regulatory link between changes in the young and aging brain, describing "runaway" development as a potentially significant factor in age-related loss of function. ... > full story
Novel anti-diabetes mechanism uncovered: Findings could lead to next generation of improved therapies (July 22, 2010) -- Scientists have uncovered a novel mechanism that dramatically increases insulin sensitivity and reduces the risk of developing type 2 diabetes and cardiovascular disease. ... > full story
Quitting smoking may minimize harmful bacteria and replenish healthy bacteria (July 22, 2010) -- Patients with chronic gum disease who quit smoking in addition to undergoing nonsurgical therapy not only demonstrated a lower abundance of harmful oral pathogens, but also an increase in health-associated bacteria. ... > full story
Brain scans may help guide career choice (July 22, 2010) -- General aptitude tests and specific mental ability tests are important tools for vocational guidance. Researchers are now asking whether performance on such tests is based on differences in brain structure, and if so, can brain scans be helpful in choosing a career? In a first step, researchers have investigated how well eight tests used in vocational guidance correlate to gray matter in areas throughout the brain. ... > full story
Stem cells for eating and sex pinpointed (July 22, 2010) -- New research has identified the stem cells that generate three critical classes of nerve cells -- olfactory receptors, vomeronasal and gonadotropin releasing hormone neurons -- that are responsible for enabling animals and humans, to eat, interact socially and reproduce. ... > full story
Subtle thyroid problem triples the risk of placental separation in birth, study finds (July 22, 2010) -- Pregnant women with antibodies that can indicate early thyroid disease are three times as likely to have placental separation during labor, researchers have found in a study of more than 17,000 women. ... > full story
Summer reading is key to maintaining or improving students' reading skills (July 22, 2010) -- Researchers have completed a three-year study showing a significantly higher level of reading achievement in students who received books for summer reading at home. ... > full story
Muscular heart failure patients may have a better chance at survival, study suggests (July 22, 2010) -- Heart failure patients with more muscle have the potential to increase their length of life, new research has found. ... > full story
HIV vaccines may induce HIV antibodies in trial participants, can cause false-positive test result (July 22, 2010) -- During trials of preventive HIV vaccines, trial participants may develop HIV-related antibody responses that could lead to a positive HIV test by routine antibody detection methods (called vaccine-induced seropositivity/reactivity [VISP]), and the potential for false-positive test results and an incorrect HIV diagnosis, according to a new study. ... > full story
Video game processors help lower CT scan radiation (July 22, 2010) -- A new approach to processing X-ray data could lower by a factor of ten or more the amount of radiation patients receive during cone beam CT scans, researchers report. ... > full story
Marriage patterns drive fertility decline (July 22, 2010) -- Researchers have applied an evolutionary "use it or lose it" principle when studying past marriage patterns, to show that marriage can influence the evolution of age-patterns of fertility. ... > full story
Valproic acid shown to halt vision loss in patients with retinitis pigmentosa (July 22, 2010) -- Researchers have discovered a potential new therapeutic link between valproic acid and retinitis pigmentosa, which could have tremendous benefits for patients suffering from the disease. ... > full story
Studies gauge techniques for measuring breast density -- a predictor of cancer (July 22, 2010) -- Two new studies have tested three different methods for accurately measuring breast density -- the relative portion of tissue to fat in a woman's breasts and a strong indicator of breast cancer risk. ... > full story
Study describes health effects of occupational exposures in Paducah Gaseous Diffusion Plant workers (July 22, 2010) -- A five-year study into the causes of deaths of workers at Paducah Gaseous Diffusion Plant shows significantly lower death rates from all causes and cancer in general when compared to the overall United States population. This is known by occupational health researchers as the "healthy worker effect." However, death from lymphatic and bone marrow cancers such as leukemia or multiple myeloma were slightly above national rates. ... > full story
First stages of tissue production in human embryonic stem cells isolated (July 21, 2010) -- Scientists have described a population of cells that mark the very first stage of differentiation of human embryonic stem cells as they enter a developmental pathway that leads to production of blood, heart muscle, blood vessels and bone. ... > full story
New genomics-based approach to understand origin of cancer subgroups (July 21, 2010) -- Scientists have long recognized that cancers may look the same under the microscope, but carry different mutations, respond differently to treatment and result in vastly different outcomes for patients. Now researchers have developed a new approach that uses genomic information from different species to understand the biology that drives the formation of these different cancer subtypes. ... > full story
Children of older women appear vulnerable to the effects of prenatal alcohol exposure (July 21, 2010) -- The presence and severity of Fetal Alcohol Spectrum Disorders are influenced by factors beyond alcohol consumption, such as maternal age. New findings have shown that the damaging effects of maternal binge drinking during pregnancy on attention are greater among children born to older drinking mothers. ... > full story
Engineered stem cells may limit heart attack damage, improve function (July 21, 2010) -- Implanting tiny plastic scaffolds seeded with genetically engineered stem cells reduced organ damage and led to better cardiac function after a heart attack, according to new research. ... > full story
Sepsis and septic shock more common than heart attacks or pulmonary blood clots after general surgery, study finds (July 21, 2010) -- Sepsis and septic shock appear to be more common than heart attacks or pulmonary blood clots among patients having general surgery, and the death rate for patients with septic shock is approximately 34 percent within 30 days of operation, according to a new study. ... > full story
Afraid of a broken heart? Feeling insecure in relationships may predispose people to later cardiovascular problems, says research (July 21, 2010) -- People who feel insecure about their attachments to others might be at higher risk for cardiovascular problems than those who feel secure in their relationships, according to a new study. ... > full story
Do cleaning products cause breast cancer? (July 21, 2010) -- Women who report greater use of cleaning products may be at higher breast cancer risk than those who say they use them sparingly. Researchers asked more than 1500 women about their cleaning product usage and found that women who reported using more air fresheners and products for mold and mildew control had a higher incidence of breast cancer. ... > full story
Trauma patients undergoing emergency operations may receive transfusions of their own blood (July 21, 2010) -- Transfusion with a trauma patient's own blood may offer a cost-effective alternative to transfusion with blood from another individual as a resuscitation method during surgery, according to a new study. ... > full story
Nasal zinc gels may be associated with loss of sense of smell, study finds (July 21, 2010) -- An evaluation of 25 patients and a review of reports of clinical, biological and experimental data suggest that over-the-counter, homeopathic nasal zinc therapies may be associated with a reduced sense of smell, according to a new study. ... > full story
Nanoparticles plus adult stem cells demolish plaque, study finds (July 21, 2010) -- A technique that combines nanotechnology with adult stem cells appears to destroy atherosclerotic plaque and rejuvenate the arteries, according to a new study. ... > full story
Natural substance NT-020 aids aging brains in rats, study finds (July 21, 2010) -- Researchers found that a combination of nutrients called NT-020 promoted adult neural stem cell proliferation in aged rats and boosted their memory and spatial navigation performance. They tested two groups of aged laboratory rats; one group received NT-020 and a control group did not. In the NT-020 treated group, neurogenesis increased and researchers concluded that the NT-020 treated group had fewer activated inflammatory brain cells and an increase in stem cells. ... > full story
Why does everything look gray when you feel blue? (July 21, 2010) -- Regardless of culture, language, era, or individual artist, the arts consistently depict depression using darkness. Scientific findings now lend empirical support to this representation of depression that everything looks gray when you feel blue. Researchers had previously shown that people with depression have difficulty detecting black-and-white contrast differences. ... > full story
Bone cells' branches sense stimulation, when to make new bone (July 21, 2010) -- Research of bone cells shows, for the first time, the part of the cells that sense mechanical stimulation and signal the release of bone-growth factors. ... > full story
Children have a negative impact on physical activity among individuals with heart disease, study finds (July 21, 2010) -- A study conducted at the Montreal Heart Institute has shown unexpectedly that living with children is linked to a reduction in physical activity. Carried out with 756 participants, the study assessed the impact of social networks on exercise, revealing that people with heart disease who live with children exercise less than those people who do not live with children. ... > full story
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