After decades of public safety campaigns focused on drinking and driving, it may be time to focus on the seventh leading cause of injury-related death, according to Bureau of Occupational Health and Injury Prevention at New York State Department of Health and Columbia University scholars looking at New York State.
After an interventional radiology intranasal treatment, migraine patients report using less pain-relief medicine for headaches, according to a paper at the Society of Interventional Radiology's Annual Scientific Meeting. Clinicians used a treatment called image-guided, intranasal sphenopalatine ganglion (SPG) blocks to give patients enough ongoing relief that they required less medication to relieve migraine pain.
Too cold for a penguin? An Ice Age brought on by global warming so severe penguins had to move?Indeed. During the last interglacial, what is colloquially called an ice age though it has been such non-stop for a few million years, only three populations of emperor penguins may have survived, because much of the rest of Antarctica was uninhabitable due to the amount of ice.
In a new study, 221 college students participated in an online chat room in which they watched a fellow student get "bullied" right before their eyes.
Only 10 percent of the students who noticed the abuse directly intervened, either by confronting the bully online or helping the victim.
The abuse wasn't real - the bully and the victim were part of the experiment - but the participants didn't know that.
"The results didn't surprise me," said Kelly Dillon, lead author of the study and a doctoral student in communication at The Ohio State University.
"Many other studies have shown bystanders are reluctant to get involved when they see bullying. The results disappointed me, as a human, but they didn't surprise me as a scientist."
The therapeutic promise of human stem cells is indisputably huge, but the process of translating their potential into effective, real-world treatments involves deciphering and resolving a host of daunting complexities.
Writing in the February 25 online issue of the journal PLOS ONE, researchers at University of California, San Diego School of Medicine, with collaborators from The Scripps Research Institute (TSRI), have definitively shown for the first time that the culture conditions in which stem cells are grown and mass-produced can affect their genetic stability.
The activity of the Sun is an important factor in the complex interactions that control our climate. We don't really even understand the impacr of the sun - it is not constant over time, but has greater significance when the Earth is cooler, according to a new paper in Geology.There has been discussion as to whether variations in the strength of the Sun have played a role in triggering climate change in the past, but more and more research results clearly indicate that solar activity - i.e. the amount of radiation coming from the Sun - has an impact on how the climate varies over time.
Not all storks migrate to Africa, many spend the winter in the Iberian Peninsula, where landfills have become a permanent source of food. Scientists from Extremadura have analyzed the presence of pollutants and pesticides (some prohibited in Spain) in the blood of nestlings from three colonies, two of which are close to landfill sites, and the results reveal that the main source of contamination can be due to the use of insecticides still used in African countries where the birds migrate to, who transfer their contaminated load onto their offspring through their eggs.
The U.S. and other countries are enacting rules to clamp down on the sales of fake pharmaceuticals, which pose a public health threat. But figuring out a system to track and authenticate legitimate drugs still faces significant obstacles, according to an article in Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society.
Under normal conditions, many of the different types of tissue-specific adult stem cells, including hematopoietic stem cells, exist in a state or dormancy where they rarely divide and have very low energy demands. "Our theory was that this state of dormancy protected hematopoietic stem cells from DNA damage and therefore protects them from premature aging," says Dr. Michael Milsom, leader of the study.
The push to boost food production in East Africa that is accelerating the conversion of natural lands into croplands may be significantly increasing the risk of plague according to a new study in the American Journal of Tropical Medicine and Hygiene.
In the past decade, the H1N1 virus and Ebola are just two of the diseases whose spread was spurred by international airline travel. Screening passengers at airports, therefore, could be one key method for slowing the global spread of infectious diseases.
A team lead by UCLA researchers has found that airport screening misses at least half of infected travelers but the scientists say that rate could be improved. Their research was published in eLife. The life scientists used a mathematical model to analyze screening for six viruses: the SARS coronavirus, the Ebola virus, the Middle East respiratory syndrome coronavirus, the Marburg virus, Influenza H1N1 and Influenza H7N9.
Changes in pension and employment policies are making it increasingly necessary for older people in the UK to work beyond the age of 65. However, new research from the University of Surrey finds significant differences in the likelihood of employment and income levels of people beyond 65, depending on their gender and health.
Years of healthy life expectancy and the likelihood of disability in older age vary significantly, and as a result particular groups are going to find it hard to keep working beyond 65 and are more likely to be disadvantaged by a rise in the state pension age, than others.
Centrality and nodes are an important concept in the theory of social networks. Centrality of an individual - a "node" in network theory - measures its relative importance within a network, and a recent paper in Scientific Reports studies the problem of dynamics and evolution of node's centrality. Nitesh Chawla, Associate Professor of Computer Science at the University of Notre Dame, and doctoral students Yang Yang and Yuxiao Dong point out that social networks are dynamic and evolve over time when new individuals (nodes) join a network, or new links form between nodes or old links diminish between nodes. A node's centrality may change over time.
