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Science News for December 28, 2015


Researchers find that in race stereotypes, issues are not so black and white

A study by Arizona State University researchers found that white Americans' stereotypes of black Americans mirror those of individuals from resource-poor and unpredictable environments. In contrast, stereotypes of whites match those of individuals from more resource-sufficient and predictable environments. The findings suggest that eco...

SourceArizona State University·JournalProceedings of the National Academy of Sciences·DateDec 28, 2015

Childhood asthma may increase risks of shingles

A population-based study published in JACI found that adults with asthma are at a 70% greater risk of developing shingles compared to those without asthma. Additionally, individuals with atopic dermatitis also showed a higher risk of shingles, even when other factors were accounted for.

SourceMayo Clinic·JournalJournal of Allergy and Clinical Immunology·DateDec 28, 2015

Eating healthy or feeling empty?

Researchers found that consumers associate 'healthy' foods with less fillingness, leading to increased portion sizes and consumption. Highlighting the nourishing aspects of healthy food can mitigate this bias, providing a potential solution for managing weight.

SourceCornell Food & Brand Lab·JournalJournal of the Association for Consumer Research·DateDec 28, 2015

To bolster a new year's resolution, ask, don't tell

A recent study spanning 40 years examined the 'question-behavior effect,' finding that asking people about performing a certain behavior influences whether they do it in the future. The effect has been shown to last more than six months after questioning, making questioning a simple yet effective technique to influence human behavior.

SourceWashington State University·JournalJournal of Consumer Psychology·DateDec 28, 2015

Most patients still prescribed opioids after nonfatal overdose, study finds

A study by Boston Medical Center found that nearly 3,000 individuals with chronic pain who experienced a nonfatal opioid overdose continued to be prescribed opioids, with 70% receiving prescriptions from the same provider. Patients who took high dosages were twice as likely to have another overdose at two years of follow-up.

SourceBoston University School of Medicine·JournalAnnals of Internal Medicine·DateDec 28, 2015

Second contagious form of cancer found in Tasmanian devils

A team has identified a second genetically distinct transmissible cancer in Tasmanian devils, which causes facial tumours indistinguishable from the previously discovered cancer. The discovery raises questions about the rarity of transmissible cancers and the vulnerability of Tasmanian devils to developing this type of disease.

SourceUniversity of Cambridge·JournalProceedings of the National Academy of Sciences·DateDec 28, 2015

Scientists sequence first ancient Irish human genomes

The study sequenced ancient Irish human genomes, providing evidence for massive migration from the Middle East and Pontic Steppe. These genetic influxes are believed to have introduced cultural changes, such as agriculture and bronze metalworking, which may have originated the western Celtic language.

SourceTrinity College Dublin·JournalProceedings of the National Academy of Sciences·DateDec 28, 2015