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Medicine 2014-04-15

Study: SSRI use during pregnancy associated with autism and developmental delays in boys

In a study of nearly 1,000 mother-child pairs, researchers from the Bloomberg School of Public health found that prenatal exposure to selective serotonin reuptake inhibitors (SSRIs), a frequently prescribed treatment for depression, anxiety and other disorders, was associated with autism spectrum disorder (ASD) and developmental delays (DD) in boys. The study, published in the online edition of Pediatrics, analyzed data from large samples of ASD and DD cases, and population-based controls, where a uniform protocol was implemented to confirm ASD and DD diagnoses by trained ...
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Space 2014-04-15

Astronomers: 'Tilt-a-worlds' could harbor life

A fluctuating tilt in a planet's orbit does not preclude the possibility of life, according to new research by astronomers at the University of Washington, Utah's Weber State University and NASA. In fact, sometimes it helps. That's because such "tilt-a-worlds," as astronomers sometimes call them — turned from their orbital plane by the influence of companion planets — are less likely than fixed-spin planets to freeze over, as heat from their host star is more evenly distributed. This happens only at the outer edge of a star's habitable zone, the swath of space around ...
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Science 2014-04-15

Vitamin D deficiency contributes to poor mobility among severely obese people

Washington, DC—Among severely obese people, vitamin D may make the difference between an active and a more sedentary lifestyle, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM). The study found severely obese people who also were vitamin D-deficient walked slower and were less active overall than their counterparts who had healthy vitamin D levels. Poor physical functioning can reduce quality of life and even shorten lifespans. Severe obesity occurs when a person's body mass index (BMI) exceeds 40. About ...
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Medicine 2014-04-15

Osteoporosis risk heightened among sleep apnea patients

Washington, DC—A diagnosis of obstructive sleep apnea may raise the risk of osteoporosis, particularly among women or older individuals, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM). Sleep apnea is a condition that causes brief interruptions in breathing during sleep. Obstructive sleep apnea, the most common form, occurs when a person's airway becomes blocked during sleep. If sleep apnea goes untreated, it can raise the risk for stroke, cardiovascular disease and heart attacks. "Ongoing sleep disruptions ...
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Medicine 2014-04-15

Can refined categorization improve prediction of patient survival in RECIST 1.1?

In a recent analysis by the RECIST Working Group published in the European Journal of Cancer, EORTC researchers had explored whether a more refined categorization of tumor response or various aspects of progression could improve prediction of overall survival in the RECIST database. They found that modeling target lesion tumor growth did not improve the prediction of overall survival above and beyond that of the other components of progression. The RECIST Working Group includes the EORTC, the United States National Cancer Institute, and the National Cancer Institute of ...
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Medicine 2014-04-15

Calcium score predicts future heart disease among adults with little or no risk factors

LOS ANGELES – (April 15, 2014) – With growing evidence that a measurement of the buildup of calcium in coronary arteries can predict heart disease risk, Los Angeles Biomedical Research Institute (LA BioMed) researchers found that the process of "calcium scoring" was also accurate in predicting the chances of dying of heart disease among adults with little or no known risk of heart disease. Previous studies had found that calcium scores were effective in predicting heart disease among adults with known heart disease risk factors, such as hypertension, diabetes, dyslipidemia, ...
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Earthquake simulation tops 1 quadrillion flops
Earth Science 2014-04-15

Earthquake simulation tops 1 quadrillion flops

This news release is available in German. Geophysicists use the SeisSol earthquake simulation software to investigate rupture processes and seismic waves beneath the Earth's surface. Their goal is to simulate earthquakes as accurately as possible to be better prepared for future events and to better understand the fundamental underlying mechanisms. However, the calculations involved in this kind of simulation are so complex that they push even super computers to their limits. In a collaborative effort, the workgroups led by Dr. Christian Pelties at the Department of ...
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Science 2014-04-15

Cultivating happiness often misunderstood, says Stanford researcher

The paradox of happiness is that chasing it may actually make us less happy, a Stanford researcher says. So how does one find happiness? Effective ways exist, according to new research. One path to happiness is through concrete, specific goals of benevolence – like making someone smile or increasing recycling – instead of following similar but more abstract goals – like making someone happy or saving the environment. The reason is that when you pursue concretely framed goals, your expectations of success are more likely to be met in reality. On the other hand, broad ...
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Lifestyle determines gut microbes
Science 2014-04-15

Lifestyle determines gut microbes

This news release is available in German. The gut microbiota is responsible for many aspects of human health and nutrition, but most studies have focused on "western" populations. An international collaboration of researchers, including researchers of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, has for the first time analysed the gut microbiota of a modern hunter-gatherer community, the Hadza of Tanzania. The results of this work show that Hadza harbour a unique microbial profile with features yet unseen in any other human group, supporting ...
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Science 2014-04-15

Real-time audio of corporal punishment shows kids misbehave within 10 minutes of spanking

A new study based on real-time audio recordings of parents practicing corporal punishment discovered that spanking was far more common than parents admit, that children were hit for trivial misdeeds and that children then misbehaved within 10 minutes of being punished. Advocates of corporal punishment have outlined best practices for responsible spanking. But real-time audio from this study revealed that parents fail to follow the guidelines, said psychologist George Holden, who is lead author on the study and a parenting and child development expert at Southern Methodist ...
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Breaking bad mitochondria
Science 2014-04-15

Breaking bad mitochondria

Researchers at the University of California, San Diego School of Medicine have identified a mechanism that explains why people with the hepatitis C virus get liver disease and why the virus is able to persist in the body for so long. The hard-to-kill pathogen, which infects an estimated 200 million people worldwide, attacks the liver cells' energy centers – the mitochondria – dismantling the cell's innate ability to fight infection. It does this by altering cells mitochondrial dynamics. The study, published in today's issue of the Proceedings of the National Academy ...
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Technology 2014-04-15

Computerized counseling reduces HIV-1 viral load, sexual transmission risk

Antiretroviral therapy (ART), the primary type of treatment for the human immunodeficiency virus (HIV), can reduce sexual transmission, prevent illness, and increase longevity and quality of life for patients. However, according to current data, only an estimated 77-percent of U.S patients on ART therapy have suppressed viral loads. This suggests patients' adherence to the current ART treatment regiments is in need of improvement to reduce the viral load and also to lower sexual transmission risk behaviors. Now, new research from faculty affiliated with New York University's ...
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Social Science 2014-04-15

Rethink education to fuel bioeconomy, says report

Microbes can be highly efficient, versatile and sophisticated manufacturing tools, and have the potential to form the basis of a vibrant economic sector. In order to take full advantage of the opportunity microbial-based industry can offer, though, educators need to rethink how future microbiologists are trained, according to a report by the American Academy of Microbiology. "Industrial microbiology is experiencing a Renaissance; microorganisms make products ranging from the tightly regulated pharmaceuticals industry to large-scale production of commodity chemicals and ...
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Science 2014-04-15

UC research illuminates 'touchy' subject

By solving a long standing scientific mystery, the common saying "you just hit a nerve" might need to be updated to "you just hit a Merkel cell," jokes Jianguo Gu, PhD, a pain researcher at the University of Cincinnati (UC). That's because Gu and his research colleagues have proved that Merkel cells— which contact many sensory nerve endings in the skin—are the initial sites for sensing touch. "Scientists have spent over a century trying to understand the function of this specialized skin cell and now we are the first to know … we've proved the Merkel cell to be a primary ...
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Earth Science 2014-04-15

Predicting bioavailable cadmium levels in soils

New Zealand's pastoral landscapes are some of the loveliest in the world, but they also contain a hidden threat. Many of the country's pasture soils have become enriched in cadmium. Grasses take up this toxic heavy metal, which is then eaten by the cattle and sheep that graze them. The problem is not unique to New Zealand; cadmium-enriched soils being reported worldwide. The concern is that if cadmium concentrations rise to unsafe levels in meat and dairy products, human health and New Zealand's agricultural economy could be jeopardized. That so far hasn't happened. But, ...
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Remnants of Tropical Depression Peipah still raining on Philippines
Science 2014-04-15

Remnants of Tropical Depression Peipah still raining on Philippines

Several regions in the south and central Philippines have flood advisories as the remnants of now dissipated Tropical Depression Peipah continue to linger over the country. NASA-NOAA's Suomi NPP satellite got a look at the remnant clouds from its orbit in space on April 15. The Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA's Suomi NPP satellite captured a look at Peipah's remnant clouds on April 15 at 5:44 a.m. EDT. VIIRS collects visible and infrared imagery and global observations of land, atmosphere, cryosphere and oceans. The VIIRS ...
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Social Science 2014-04-15

Study examines Vitamin D deficiency and cognition relationship

WINSTON-SALEM – April 15, 2014 – Vitamin D deficiency and cognitive impairment are common in older adults, but there isn't a lot of conclusive research into whether there's a relationship between the two. A new study from Wake Forest Baptist Medical Center published online ahead of print this month in the Journal of the American Geriatrics Society enhances the existing literature on the subject. "This study provides increasing evidence that suggests there is an association between low vitamin D levels and cognitive decline over time," said lead author Valerie Wilson, ...
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NASA's TRMM Satellite adds up Tropical Cyclone Ita's Australian soaking
Space 2014-04-15

NASA's TRMM Satellite adds up Tropical Cyclone Ita's Australian soaking

After coming ashore on April 11, Tropical Cyclone Ita dropped heavy rainfall over the weekend that caused flooding in many areas of northeastern Australia's state of Queensland. The Tropical Rainfall Measuring Mission satellite known as TRMM gathered data on rainfall that was used to create a rainfall map at NASA. TRMM is a satellite managed by both NASA and JAXA, the Japan Aerospace Exploration Agency. At NASA's Goddard Space Flight Center in Greenbelt, Md. Hal Pierce created a TRMM-based near-real time Multi-satellite Precipitation Analysis (TMPA). The TMPA precipitation ...
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Medicine 2014-04-15

The key to easy asthma diagnosis is in the blood

MADISON, Wis. — Using just a single drop of blood, a team of University of Wisconsin-Madison researchers has developed a faster, cheaper and more accurate tool for diagnosing even mild cases of asthma. This handheld technology — which takes advantage of a previously unknown correlation between asthmatic patients and the most abundant type of white blood cells in the body — means doctors could diagnose asthma even if their patients are not experiencing symptoms during their visit to the clinic. The team described its findings in the journal Proceedings of the National ...
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Medicine 2014-04-15

Girls' mental health suffers when romances unfold differently than they imagined

WASHINGTON, DC, April 15, 2014 — A new study reveals that for adolescent girls, having a romantic relationship play out differently than they imagined it would has negative implications for their mental health. "I found that girls' risk of severe depression, thoughts of suicide, and suicide attempt increase the more their relationships diverge from what they imagined," said the study's author Brian Soller, an assistant professor of sociology and a senior fellow of the Robert Wood Johnson Foundation Center for Health Policy at the University of New Mexico. "Conversely, ...
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Medicine 2014-04-15

Genetic pre-disposition toward exercise and mental development may be linked

COLUMBIA, Mo. – University of Missouri researchers have previously shown that a genetic pre-disposition to be more or less motivated to exercise exists. In a new study, Frank Booth, a professor in the MU College of Veterinary Medicine, has found a potential link between the genetic pre-disposition for high levels of exercise motivation and the speed at which mental maturation occurs. For his study, Booth selectively bred rats that exhibited traits of either extreme activity or extreme laziness. Booth then put the rats in cages with running wheels and measured how much ...
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Science 2014-04-15

How mothers help children explore right and wrong

Montreal, April 15, 2014 — There's no question that mothers want their children to grow up to be good people — but less is known about how they actually help their offspring sort out different types of moral issues. According to a new study published in Developmental Psychology and led by Holly Recchia, assistant professor in Concordia's Department of Education and the Centre for Research in Human Development, many mums talk to their kids in ways that help them understand moral missteps. The study — co-written by Cecilia Wainryb, Stacia Bourne and Monisha Pasupathi ...
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Technology 2014-04-15

Biologists develop nanosensors to visualize movements and distribution of plant hormone

Biologists at UC San Diego have succeeded in visualizing the movement within plants of a key hormone responsible for growth and resistance to drought. The achievement will allow researchers to conduct further studies to determine how the hormone helps plants respond to drought and other environmental stresses driven by the continuing increase in the atmosphere's carbon dioxide, or CO2, concentration. A paper describing their achievement appears in the April 15 issue of the scientific journal eLife and is accessible at: http://elife.elifesciences.org/lookup/doi/10.7554/elife.01739 ...
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Medicine 2014-04-15

Pharmacist-led interventions show high success rates for post-stroke care

A new study from the Faculty of Medicine & Dentistry is looking at nurse- and pharmacist-led interventions to improve the standard of care for patients who have suffered minor stroke or transient ischemic attack, also known as "mini stoke." "What we were finding was that six months or 12 months after their stroke, a lot of patients still had uncontrolled blood pressure and uncontrolled cholesterol," said Finlay McAlister (MD '90), lead author of the study. "[This factor] puts the patients at an increased risk of recurrent events, including strokes, heart attacks, amputation ...
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Engineering 2014-04-15

Photo: Tiger beetle's chase highlights mechanical law

ITHACA, N.Y. – If an insect drew a line as it chased its next meal, the resulting pattern would be a tangled mess. But there's method to that mess, says Jane Wang, a Cornell University professor of mechanical engineering and physics, who tries to find simple physical explanations for complex, hardwired animal behaviors. Photo: https://cornell.box.com/tbeetle It turns out the tiger beetle, known for its speed and agility, does an optimal reorientation dance as it chases its prey at blinding speeds. Publishing online April 9 in the Journal of the Royal Society Interface, ...
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