ScienceDaily Top Science Headlines
for Thursday, September 30, 2010
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Strong link between diabetes and air pollution found in national U.S. study (September 30, 2010) -- A national U.S. epidemiologic study finds a strong, consistent correlation between adult diabetes and particulate air pollution that persists after adjustment for other risk factors like obesity and ethnicity, researchers report. The relationship was seen even at exposure levels below the current EPA safety limit. ... > full story
Women with triple negative breast cancer and BRCA mutations have lower risk of recurrence, study finds (September 30, 2010) -- Patients with triple negative breast cancer that also have mutations in the BRCA gene appear to have a lower risk of recurrence, compared to those with the same disease without the deleterious genetic mutation, according to researchers. ... > full story
Diet when young affects future food responses (September 30, 2010) -- A high protein diet during development primes the body to react unhealthily to future food binges. A study on juvenile rats suggests that lasting changes result from altering the composition of the first solid food that is consumed throughout growth into early adulthood. ... > full story
Less chemotherapy works well for some childhood cancer, study finds (September 30, 2010) -- A particularly aggressive childhood cancer can be fought successfully with far less chemotherapy than previously believed, avoiding harmful side effects caused by cancer drugs. ... > full story
Swine flu patients benefited from taking Tamiflu, says study (September 30, 2010) -- Healthy people who caught swine flu during the 2009 pandemic may have been protected against developing radiographically (X-ray) confirmed pneumonia by taking the antiviral drug oseltamivir (Tamiflu), concludes a study of cases in China. ... > full story
Decrease in suicide not linked to newer antidepressants, Norwegian study finds (September 30, 2010) -- Many researchers have studied the relationship between the increase in sales of new antidepressants in recent decades and a simultaneous decline in the suicide rate. In a study based on figures from the Nordic countries, researchers in Norway found no evidence that increased sales of the new medicines could be linked to a lower suicide rate. The researchers also did not find any relationship between reduced sales of the older and more toxic antidepressants and a reduction in suicide rates. ... > full story
Research on killer HIV antibodies provides promising new ideas for vaccine design (September 29, 2010) -- New discoveries about the immune defenses of rare HIV patients who produce antibodies that prevent infection suggest a novel direction for designing new vaccines. ... > full story
Mammography reduces mortality from breast cancer in ages 40–49 years, Swedish study finds (September 29, 2010) -- Mammography examinations of women aged 40–49 reduce breast cancer mortality by 29%, a statistically significant reduction, according to a national study in Sweden. ... > full story
Dirty hands, dirty mouths: Study finds a need to clean the body part that lies (September 29, 2010) -- Apparently your mom had it right when she threatened to wash your mouth out with soap if you talked dirty. Lying really does create a desire to clean the "dirty" body part, according to a University of Michigan study. ... > full story
Evidence of post-stroke brain recovery discovered (September 29, 2010) -- The world's largest study using neuroimaging of stroke patients struggling to regain ability to communicate finds that brain cells outside the damaged area can take on new roles. ... > full story
Circulating tumor cells can provide 'real-time' information on patient's current disease state (September 29, 2010) -- Circulating tumor cells may be a promising alternative, noninvasive source of tumor materials for biomarker assessment, according to new data. ... > full story
Heartbreak puts the brakes on your heart (September 29, 2010) -- Social rejection isn't just emotionally upsetting; it also upsets your heart. A new study finds that being rejected by another person makes your heart rate drop for a moment. ... > full story
Key action of a gene linked to both Alzheimer's disease and type 2 diabetes identified (September 29, 2010) -- A research team has identified the mechanism behind a single gene linked to the causes of both Alzheimer's disease and type 2 diabetes. The data show that a gene for a protein called SorCS1, which can cause type 2 diabetes, impacts the accumulation of amyloid-beta (Abeta) in the brain. Abeta plays a key role in the development of Alzheimer's disease. ... > full story
Intrauterine devices can be used to treat endometrial cancer (September 29, 2010) -- Intrauterine devices, originally developed as contraceptives, can also be used to treat and even cure cancer of the endometrium according to new research. The finding opens the way for young women with the disease, which affects the lining of the womb, to be treated without the need for a hysterectomy, thus preserving their fertility until they have had all the children they want. ... > full story
Playing white noise in class can help inattentive children learn, but hinder others (September 29, 2010) -- Playing white noise in class can help inattentive children learn. Researchers tested the effect of the meaningless random noise on a group of 51 schoolchildren, finding that although it hindered the ability of those who normally pay attention, it improved the memory of those that had difficulties in paying attention. ... > full story
New device for identifying aggressive breast cancers (September 29, 2010) -- A disposable device has been designed to efficiently capture cancer cells overexpressing the protein HER2 in circulating blood. It may help identify advanced breast cancer patients who are candidates for therapy with the drug trastuzumab (Herceptin). ... > full story
Twitter used to predict flu outbreaks (September 29, 2010) -- Keeping track of disease trends such as influenza outbreaks has the potential to be far quicker and less costly by monitoring a social network program such as Twitter than following the traditional methods of disease surveillance, according to a computer science expert. ... > full story
Climate accord loopholes could spell 4.2-degree rise in temperature and end of coral reefs by 2100 (September 29, 2010) -- A global temperature increase of up to 4.2 degrees Celsius and the end of coral reefs could become reality by 2100 if national targets are not revised in the Copenhagen Accord, the international pledge which was agreed at last year's Copenhagen's COP15 climate change conference, according to a new report. ... > full story
Absent mothers can cause hyperactivity and anxiety in offspring later in life, mouse study finds (September 29, 2010) -- In mice, early weaning and separation from their mothers promotes long-lasting hyperactivity and anxiety. Researchers describe the development of this new behavioral model, which they hope to use to investigate the long-term effects of early childhood neglect in people. ... > full story
Revolutionary new way of reversing certain cancers (September 29, 2010) -- Australian and American scientists have found a way of shrinking tumors in certain cancers -- a finding that provides hope for new treatments. The cancers in question are those caused by a new class of genes known as "microRNAs," produced by parts of the genome that, until recently, were dismissed as "junk DNA." While much is still unknown about microRNAs, it is clear that they can interfere with how our genes are "read." ... > full story
Mining the 'wisdom of crowds' to attack disease (September 29, 2010) -- A large, multidisciplinary panel has recently selected 12 pioneering ideas for attacking type 1 diabetes, ideas selected through a "crowd-sourcing" experiment called the Challenge in which all members of the Harvard community, as well as members of the general public, were invited to answer the question: What do we not know to cure type 1 diabetes? ... > full story
Tiny generators turn waste heat into power (September 29, 2010) -- Researchers have uncovered a novel way to power tiny devices using waste heat. Arrays of tiny ferroelectric nanowires have been shown to rapidly generate a current in response to any change in the ambient temperature. ... > full story
First study of its kind finds children with food allergies are often victims of bullying (September 29, 2010) -- In the first-ever study to assess the social impact of food allergies in children, researchers have found that approximately 35 percent of children with food allergies, who are over the age of 5, were reported to have experienced bullying, teasing or harassment as a result of their allergies. ... > full story
Combination of Viagra and anti-cancer drug shrinks tumors in vivo, researchers discover (September 29, 2010) -- Researchers have shown that the impotence drug Viagra (sildenafil), in combination with doxorubicin, a powerful anti-cancer drug, enhances its anti-tumor efficacy in prostate cancer while alleviating the damage to the heart at the same time. ... > full story
Unique case offers cautionary cotton swab tale (September 29, 2010) -- The saying, "never put anything smaller than your elbow in your ear," couldn't be truer for a patient who experienced vertigo and hearing loss after a cotton swab perforated her eardrum. But what makes this case unique is that Henry Ford Hospital was not only able to alleviate her vertigo with surgery, but restore her hearing. And the report offers a cautionary tale to those who use cotton swabs to clean their ears. ... > full story
Predicting divorce: Study shows how fight styles affect marriage (September 29, 2010) -- It's common knowledge that newlyweds who yell or call each other names have a higher chance of getting divorced. But a new study shows that other conflict patterns also predict divorce. ... > full story
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