ScienceDaily Top Science Headlines
for Friday, June 15, 2012
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Soft drink consumption not the major contributor to childhood obesity, study says (June 14, 2012) -- Most children and youth who consume soft drinks and other sweetened beverages, such as fruit punch and lemonade, are not at any higher risk for obesity than their peers who drink healthy beverages, says a new study. ... > full story
Quirky fruit fly gene could point way to new cancer drugs (June 14, 2012) -- Researchers are taking advantage of a quirk in the evolution of fruit fly genes to help develop new weapons against cancer. ... > full story
Single-track sustainability 'solutions' threaten people and planet, experts say (June 14, 2012) -- The targets, indicators and approaches being used to pursue progress towards sustainable development at Rio+20 are counter-productive, say scientists in a new paper. Three renowned sustainability institutes argue that global and grassroots innovations must be connected to avoid breaching planetary boundaries and reversing progress on poverty reduction. ... > full story
Fragile X gene's prevalence suggests broader health risk (June 14, 2012) -- The first US population prevalence study of mutations in the gene that causes fragile X syndrome, the most common inherited form of intellectual disability, suggests the mutation in the gene -- and its associated health risks -- may be more common than previously believed. ... > full story
Link between metabolic disorders and Alzheimer's disease examined (June 14, 2012) -- No effective treatments are currently available for the prevention or cure of Alzheimer's disease, the most frequent form of dementia in the elderly. Increasingly, scientists are looking toward other risk factors to identify preventive and therapeutic strategies. Much attention recently has focused on the metabolic syndrom, with a strong and growing body of research suggesting that metabolic disorders and obesity may play a role in the development of dementia. ... > full story
New action for ancient heart drug (June 14, 2012) -- Researchers have revealed that digoxin, the active ingredient in the poisonous plant Foxglove, can enhance the body's own protective mechanism against high blood pressure and heart failure. ... > full story
Two warmest winter months in Midwest, U.S. history may have connection (June 14, 2012) -- This past March was the second warmest winter month ever recorded in the Midwest, with temperatures 15 degrees above average. The only other winter month that was warmer was December of 1889, during which temperatures were 18 degrees above average. Now, researchers may have discovered why the weather patterns during these two winter months, separated by 123 years, were so similar. The answer could help scientists develop more accurate weather prediction models. ... > full story
Bodybuilding myth debunked: Growth-promoting hormones don't stimulate strength (June 14, 2012) -- New research reveals exercise-related testosterone and growth hormone do not play an influential role in building muscle after weightlifting, despite conventional wisdom suggesting otherwise. The findings indicate that bodybuilders who look to manipulate those hormones through exercise routines are wasting their time. ... > full story
Gene may link diabetes and Alzheimer's (June 14, 2012) -- In recent years it became clear that people with diabetes face an ominous prospect -- a far greater risk of developing Alzheimer's disease. Now researchers have shed light on one reason why. Biologists have discovered that a single gene forms a common link between the two diseases. ... > full story
Theory on metastasis goes beyond metaphor to mathematics (June 14, 2012) -- A unifying theory on the causes of cancer metastases has been proposed. Using the metaphorical hypothesis of "seed" and "soil" -- that cancer is the seed and the soil is the site of metastasis -- researchers fault the metaphor's utility by saying that just how the seeds are "sown" in the soil is still a big question to which there have been no metaphorical or practical answers. ... > full story
Folic acid intake during early pregnancy associated with reduced risk of autism in offspring (June 14, 2012) -- Women who consume the recommended daily dosage of folic acid, the synthetic form of folate or vitamin B-9, during the first month of pregnancy may have a reduced risk of having a child with autism. ... > full story
Mindful multitasking: Meditation first can calm stress, aid concentration (June 14, 2012) -- Need to do some serious multitasking? Some training in meditation beforehand could make the work smoother and less stressful, new research shows. ... > full story
Childhood obesity linked to math performance, researcher says (June 14, 2012) -- Children's weight is associated with their math performance, a new study shows. When compared with children who were never obese, boys and girls whose obesity persisted from the start of kindergarten through fifth grade performed worse on the math tests, starting in first grade. Their lower performance continued through fifth grade. ... > full story
Could roseola virus be behind epilepsy? Childhood virus infection linked to prolonged seizures with fever (June 14, 2012) -- New research shows that human herpesviruses (HHV)-6B and HHV-7, commonly know as roseola virus), account for one third of febrile status epilepticus cases. Results suggest that HHV-6B may be involved in the development of epilepsy and further research is urgently needed. ... > full story
Training character strengths makes you happy (June 14, 2012) -- Anyone who trains character strengths increases their sense of wellbeing, a large-scale study conducted by a team of psychologists from the University of Zurich has concluded. It proved for the first time that this kind of training works. The largest impact was evident in training the strengths “curiosity”, “gratitude”, “optimism”, “humor” and “enthusiasm”. ... > full story
'No-sleep energy bugs' drain smartphone batteries (June 13, 2012) -- Researchers have proposed a method to automatically detect a new class of software glitches in smartphones called "no-sleep energy bugs," which can entirely drain batteries while the phones are not in use. ... > full story
Pathway for origin of most common form of brain and spinal cord tumor identified (June 13, 2012) -- Researchers say they have discovered one of the most important cellular mechanisms driving the growth and progression of meningioma, the most common form of brain and spinal cord tumor. A report on the discovery could lead the way to the discovery of better drugs to attack these crippling tumors, the scientists say. ... > full story
Tracking MRSA in real time: Study highlights benefits of rapid whole-genome sequencing (June 13, 2012) -- Researchers have demonstrated that next-generation genome sequencing can provide clinically relevant data on bacterial transmission within a timescale that can influence infection control and patient management. The team recreated an MRSA outbreak that occurred in a neonatal ward and analyzed it using genome sequencing as if in real time. Next-generation genome sequencing provides precise information in a fast turnaround time, and could make a clear distinction between MRSA isolates in a way that was not previously possible. ... > full story
Chinese meditation prompts double positive punch in brain white matter (June 13, 2012) -- Scientists studying the Chinese mindfulness meditation known as integrative body-mind training have confirmed and expanded on changes in structural efficiency of white matter in the brain that can be related to positive behavioral changes in subjects practicing the technique for a month and a minimum of 11 hours total. ... > full story
Proposed testosterone testing of some female Olympians challenged (June 13, 2012) -- Proposed Olympic policies for testing the testosterone levels of select female athletes could discriminate against women who may not meet traditional notions of femininity and distort the scientific evidence on the relationship between testosterone, sex and athletic performance, says a bioethicist. ... > full story
New drug-screening method yields long-sought anti-HIV compounds: Drug candidates act on target unlikely to mutate (June 13, 2012) -- Scientists have used a powerful new chemical-screening method to find compounds that inhibit the activity of human immunodeficiency virus (HIV), the virus that causes AIDS. ... > full story
Increased use of hand held devices may call for new photo guidelines (June 13, 2012) -- Viewing Facebook and Flickr photos on a smart phone are becoming common practice. But according to a recently published study, pictures on the small screen often appear distorted. Vision scientists found that perceptual distortions occur because picture takers do not take their viewing distance into account. ... > full story
Novel mechanism involved in key immune response (June 13, 2012) -- Scientists have identified a novel way that a common virus, called adenovirus, causes disease. In doing so, they have discovered important information on one of the body's key immune responses. Their findings may have implications for infectious diseases and cancer. ... > full story
Anxious mice make lousy dads (June 13, 2012) -- Normally, male California mice are surprisingly doting fathers, but new research suggests that high anxiety can turn these good dads bad. ... > full story
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