Senin, 10 Januari 2011

ScienceDaily Health Headlines

for Monday, January 10, 2011

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Babies process language in a grown-up way (January 9, 2011) -- Combining the cutting-edge technologies of MRI and MEG, scientists show that babies just over a year old process words they hear with the same brain structures as adults, and in the same amount of time. Moreover, the researchers found that babies were not merely processing the words as sounds, but were capable of grasping their meaning. ... > full story

First drug to treat Fragile X? (January 9, 2011) -- The first drug to treat the underlying disorder instead of the symptoms of Fragile X, the most common cause of inherited intellectual disability, shows some promise, according to a new study. ... > full story

Proteins need chaperones: Newly discovered processes in production of proteins described (January 9, 2011) -- Why does a chaperone sitting at the end of the ribosomal tunnel need to possess characteristics that can influence the chromatin structure in the nucleus? Scientists are now a step closer to answering this question. ... > full story

More than 3,000 survivors of the World Trade Center attacks experience long-term post-traumatic stress disorder (January 9, 2011) -- Nearly 10 years after the destruction of the World Trade Center towers there has been little research documenting the attacks' consequences among the survivors. Researchers have now found that of the 3,271 civilians who evacuated the Twin Towers, 95.6 percent of survivors reported at least one current post-traumatic stress symptom and 15 percent screened positive for PTSD, two to three years after the disaster. ... > full story

More evidence that malaria drug could help combat cancer, and that breaks from treatment could improve results (January 7, 2011) -- Scientists investigating the cancer-fighting properties of artesunate – a drug commonly used to treat malaria – have found early evidence that combining it with an existing cancer drug has the potential to make each drug more effective than when used alone. ... > full story

Potential new anti-cancer mechanism (January 7, 2011) -- Scientists have succeeded in decoding a potential new anti-cancer mechanism. The researchers discovered that normalizing abnormal tumor blood vessels through HRG (histidine-rich glycoprotein) prevents metastasis of tumor cells and enhances chemotherapy efficiency. ... > full story

Evidence lacking for widespread use of costly antipsychotic drugs, study suggests (January 7, 2011) -- Many prescriptions for the top-selling class of drugs, known as atypical antipsychotic medications, lack strong evidence that the drugs will actually help, a new study has found. Yet, drugs in this class may cause such serious effects as weight gain, diabetes and heart disease, and cost Americans billions of dollars. ... > full story

High dietary fat, cholesterol linked to increased risk of breast cancer (January 7, 2011) -- Elevated fat and cholesterol levels found in a typical American-style diet play an important role in the growth and spread of breast cancer, say researchers. ... > full story

IVF breakthrough to hit the world market (January 7, 2011) -- An Australian reproductive biologist has achieved a major breakthrough in IVF technology that is expected to help millions of women around the world who have suffered previous miscarriages after IVF treatment. ... > full story

Health chip gives instant diagnoses (January 7, 2011) -- Soon, your family doctor will no longer have to send blood or cancer cell samples to the laboratory. A little chip will give her test results on the spot. ... > full story

Blood test for Alzheimer's disease? (January 7, 2011) -- Scientists have developed a novel technology that is able to detect the presence of immune molecules specific to Alzheimer's disease in patients' blood samples. While still preliminary, the findings offer clear proof that this breakthrough technology could be used in the development of biomarkers for a range of human diseases. ... > full story

Perception of our heartbeat influences our body image (January 7, 2011) -- A new study suggests that the way we experience the internal state of our body may also influence how we perceive our body from the outside, as for example in the mirror. ... > full story

Tomatoes found to contain nutrient which prevents vascular diseases (January 7, 2011) -- They are the most widely produced fruit in the world, and now scientists in Japan have discovered that tomatoes contain a nutrient which could tackle the onset of vascular diseases. The research reveals that an extracted compound, 9-oxo-octadecadienoic, has anti-dyslipidemic affects. ... > full story

Standing tall is key for success: 'Powerful postures' may trump title and rank (January 7, 2011) -- New research suggests that posture plays an important role in determining whether people act as though they are really in charge. The research finds that "posture expansiveness," or positioning oneself in a way that opens up the body and takes up space, activates a sense of power that produces behavioral changes in a person independent of their actual rank or hierarchical role in an organization. ... > full story

Stem cell discovery could lead to improved bone marrow transplants (January 7, 2011) -- Researchers have identified a key molecule for establishing blood stem cells in their niche within the bone marrow. The findings may lead to improvements in the safety and efficiency of bone marrow transplants. ... > full story

Tablet splitting is a highly inaccurate and potentially dangerous practice, says drug study (January 7, 2011) -- Medical experts have issued a warning about the common practice of tablet splitting, after a study found that nearly a third of the split fragments deviated from recommended dosages by 15 percent or more. The study points out that the practice could have serious clinical consequences for tablets that have a narrow margin between therapeutic and toxic doses. And they are calling on manufacturers to produce greater dose options and liquid alternatives to make the practice unnecessary. ... > full story

Elevated rates of 'sarcoid-like' granulomatous pulmonary disease in World Trade Center responders (January 7, 2011) -- Researchers coordinating the largest clinical study to date of "sarcoid-like" granulomatous pulmonary disease in World Trade Center (WTC) responders have found that the rate of the condition was increased in this group as compared to the records of pre-9/11 FDNY personnel. ... > full story

Secondhand television exposure linked to eating disorders (January 7, 2011) -- The risk of eating disorders among Fijian schoolgirls increased when friends and classmates in their social network were exposed to mass media, independently of their own viewing or access to a television at home. ... > full story

Routine blood test may identify people with pre-diabetes, cutting later treatment costs (January 7, 2011) -- A simpler form of testing individuals with risk factors for diabetes could improve diabetes prevention efforts by substantially increasing the number of individuals who complete testing and learn whether or not they are likely to develop diabetes, according to a new study. ... > full story

Deaths from anesthesia during childbirth plummet; Better monitoring, new techniques have reduced mortality rates (January 7, 2011) -- A new study shows the number of women dying from complications of anesthesia during childbirth have plummeted nearly 60 percent. ... > full story

Why some cancers become malignant and others don't (January 7, 2011) -- Cancer cells reproduce by dividing in two, but a molecule known as PML limits how many times this can happen, according to researchers. The team showed that malignant cancers have problems with this molecule, meaning that in its absence they can continue to grow and eventually spread to other organs. ... > full story

New method to quantify protein changes could advance study, treatment of various diseases including cancer (January 7, 2011) -- New research has yielded a novel method of analyzing and quantifying changes in proteins that result from a common chemical process. The findings could provide new insights into the effects of a highly destructive form of stress on proteins in various disease models, particularly cancer. ... > full story

Using cassava to address vitamin A deficiency (January 7, 2011) -- Cassava is an important food source in many poverty-stricken regions of the world, including sub-Saharan Africa, but the low levels of micronutrients in commercial varieties do little to address hidden hunger. New research shows that a single, naturally arising change in one gene leads to high provitamin A levels in cassava roots and opens the door to addressing vitamin A deficiency via biofortified cassava. ... > full story

Digital reminiscence systems: Life-logging assists dementia sufferers, research finds (January 7, 2011) -- Digital reminiscence systems could improve quality of life for people with mild dementia, according to new research. Dementia is on the increase, but for the sake of the quality of life of sufferers and their family and friends finding ways to allow the patient to remain in their own home and to live independently is an issue that must be addressed. At the same time, enabling independent living could also reduce the economic burden. ... > full story

Border collie comprehends over 1,000 object names as verbal referents (January 6, 2011) -- Researchers at Wofford College discovered that a border collie comprehends the names of over 1,000 objects, differentiating between names of objects and orders to fetch them. This research deepens the findings of researchers in Germany, who had discovered a dog that knew the names of a couple of hundred objects. Important questions were left open as to how far a dog could go, and whether the dog really understood that the object names were nouns and not commands to retrieve the object. ... > full story

Neural stem cells maintain high levels of reactive oxygen species, study finds (January 6, 2011) -- For years, the majority of research on reactive oxygen species (ROS) -- ions or very small molecules that include free radicals -- has focused on how they damage cell structure and their potential link to stroke, cardiovascular disease and other illnesses. However, researchers have shown for the first time that neural stem cells, the cells that give rise to neurons, maintain high levels of ROS to help regulate normal self-renewal and differentiation. ... > full story

Is your convertible damaging your hearing? (January 6, 2011) -- Driving convertible cars with the top open at speeds exceeding 88.5 kilometres per hour (55 miles per hour) may put drivers at increased risk of noise-induced hearing loss, according to new research. ... > full story

Major advance in MRI allows much faster brain scans (January 6, 2011) -- Physicists and physicians have combined two new MRI techniques to reduce the time for a brain scan by a factor of 7 to 10. Faster functional and diffusion MRI scans will boost the national effort to map the brain's wiring, called the Human Connectome Project. ... > full story

Genetic abnormalities identified in pluripotent stem cell lines (January 6, 2011) -- A multinational team of researchers has documented specific genetic abnormalities that occur in human embryonic and induced pluripotent stem cell lines. The published findings highlight the need for frequent genomic monitoring of pluripotent stem cells to assure their stability and clinical safety. ... > full story

Metabolic syndrome found in 52 percent of patients after liver transplantation (January 6, 2011) -- Researchers from Israel have determined that more than half of liver transplant recipients develop post-transplantation metabolic syndrome (PTMS), placing them at greater risk for cardiovascular disease. Prior to transplantation only 5 percent of the patients were diagnosed with metabolic syndrome, but rates of obesity, hypertriglyceridemia, hypertension, and diabetes were significantly higher post transplantation. ... > full story

British Medical Journal declares MMR study 'an elaborate fraud' -- autism claims likened to 'Piltdown man' hoax (January 6, 2011) -- The British Medical Journal has declared the 1998 Lancet paper that implied a link between the MMR vaccine and autism "an elaborate fraud." Dr. Fiona Godlee, BMJ Editor in Chief, says "the MMR scare was based not on bad science but on a deliberate fraud" and that such "clear evidence of falsification of data should now close the door on this damaging vaccine scare." ... > full story

Bacteria eyed for possible role in atherosclerosis (January 6, 2011) -- Scientists have identified specific bacteria that may have a key role in vascular pathogenesis, specifically atherosclerosis, or what is commonly referred to as "hardening of the arteries" -- the number one cause of death in the United States. ... > full story

Women with multiple sclerosis more likely to have MS-related gene than men (January 6, 2011) -- Women who have multiple sclerosis are more likely to have a gene associated with multiple sclerosis than men with the disease and it is this gene region where environment interacts with the genetics, according to a new study. ... > full story

How to look younger without plastic surgery (January 6, 2011) -- Psychologists were able to prove that volunteer testers were systematically wrong at estimating other people's age after having adapted to the faces of people of a specific age group by intensely looking at them. ... > full story

Vitamin D accelerates recovery from tuberculosis (January 6, 2011) -- Vitamin D can speed up antibiotic treatment of tuberculosis, according to new research. The study gives fresh insight into how vitamin D may affect the immune response. ... > full story

Mother’s milk improves physical condition of future adolescents, study finds (January 6, 2011) -- Breast feeding new born babies has lots of advantages in the short and in the long-term for babies. A study has confirmed the recently discovered benefits, which had not been researched until now. Adolescents who are breast fed at birth have stronger leg muscles than those who received artificial milk. ... > full story

Exercise may lower risk of death for men with prostate cancer (January 6, 2011) -- A new study of men with prostate cancer finds that physical activity is associated with a lower risk of overall mortality and of death due to prostate cancer. ... > full story

How studded winter tires may damage public health, as well as pavement (January 6, 2011) -- Scientists are reporting new evidence on how studded tires -- wintertime fixtures in some areas but banned in others for causing damage to pavement -- may also damage the health of motorists and people living near highways. Studded tires have small metal protrusions from the rubber tread that improve traction on icy or snow-covered roads. ... > full story

First screening tool for war veterans to assess traumatic brain injury (January 6, 2011) -- A team of researchers has developed the first web-based screening tool for traumatic Bbain injury (TBI). This instrument has recently been used by soldiers returning from the wars in Iraq and Afghanistan who participated in the Sixth Annual Road to Recovery Conference and Tribute in Orlando to determine if they sustained a TBI. ... > full story

Antibiotic treatment effective in treating irritable bowel syndrome (January 6, 2011) -- A ground-breaking antibiotic therapy is the first potential drug treatment to provide irritable bowel syndrome patients with long-lasting relief of their symptoms even after they stop taking the medication, according to a new study. ... > full story

Protective properties of green tea uncovered (January 6, 2011) -- When green tea is digested it is even more effective at protecting the body against Alzheimer's and cancer than was previously thought. ... > full story

Thermostatic mixer valves could significantly reduce the risk of scalding in children, study finds (January 6, 2011) -- Using a thermostatic mixer valve to control the maximum temperature of children's bath water can significantly reduce the temperature of hot bath water and should reduce the risk of scalding, according to researchers. ... > full story

New method for making large quantities of deuterium-depleted drinking water (January 6, 2011) -- Scientists in China are reporting development of a less expensive, more eco-friendly method for making deuterium-depleted drinking water, citing studies suggesting that it may be a more healthful form of water. ... > full story

Consumers prefer products with few, and mostly matching, colors (January 6, 2011) -- Most people like to play it safe when combining colors for an article of clothing or outfit, a new study suggests. When consumers were asked to choose colors for seven different parts of an athletic shoe, they tended to pick identical or similar colors for nearly every element. They usually avoided contrasting or even moderately different color combinations. ... > full story

Malfunctioning gene associated with Lou Gehrig's disease leads to nerve-cell death in mice (January 6, 2011) -- Researchers describe the first direct evidence of how mutated TDP-43 prtein can cause neurons to die. ... > full story

Helicopter transport increases survival for seriously injured patients, study finds (January 6, 2011) -- Severely injured patients transported by helicopter from the scene of an accident are more likely to survive than patients brought to trauma centers by ground ambulance, according to a new study. The study is the first to examine the role of helicopter transport on a national level and includes the largest number of helicopter-transport patients in a single analysis. ... > full story

Where MRSA colonizes on the human body: Study identifies quantity and locations of MRSA colonization (January 6, 2011) -- When methicillin-resistant S. aureus (MRSA) is carried in the nares, it is a risk factor for an invasive infection, including a surgical site infection. Some studies have found that the heavier the carriage of MRSA in the nose, the greater the risk of transmission to others and the greater risk of infection to the patient. A new study now sheds light on both the quantity of MRSA at different body sites and the relationship between the quantities. ... > full story

Call for truth in trans fats labeling by US FDA: Study shows how deceptive food labels lead to increased risk of deadly diseases (January 6, 2011) -- A new article reveals that misleading labeling practices can result in medically significant intake of harmful trans fat, despite what you read on U.S. Food and Drug Administration-approved labels. ... > full story

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