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Science News Archive December 2012 - Page 19


Page 19 of 24

Fit kids finish first in the classroom

A new study from Michigan State University found that middle school students in better physical shape scored higher on standardized tests and received better grades. The research linked health-related fitness to academic performance, including body fat, muscular strength, flexibility, and endurance.

SourceMichigan State University·JournalThe Journal of Sports Medicine and Physical Fitness·DateDec 6, 2012

Don't cut corners when it comes to clean knives

A new study reveals that viruses can be spread through cross-contamination from utensils like knives and graters, posing a significant health risk. The study found that contaminated utensils can transfer viruses to multiple pieces of produce, highlighting the need for emphasis on utensil hygiene.

SourceSpringer·JournalFood and Environmental Virology·DateDec 6, 2012

Women with higher carotenoid levels have reduced risk of breast cancer

A pooled analysis of eight cohort studies found that women with higher circulating carotenoid levels had statistically significantly lower breast cancer risk. The inverse association was strongest for estrogen receptor-negative (ER-) breast cancers, highlighting carotenoids as a potential modifiable risk factor.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 6, 2012

The world's big trees are dying

The world's largest living organisms are facing an alarming decline in death rates among trees 100-300 years old. The study highlights the critical role of large old trees in regulating ecosystems, storing carbon, and supporting biodiversity. Researchers call for urgent action to identify causes and develop strategies for conservation.

SourceJulian Cribb & Associates·JournalScience·DateDec 6, 2012

Nobody's perfect

A study cataloging genetic variants in healthy individuals reveals approximately 400 damaging DNA variants and a 1-in-10 risk of developing a genetic disease. The research highlights the complexity of genetic predispositions and raises ethical concerns about incidental findings.

SourceWellcome Trust Sanger Institute·JournalAmerican Journal of Human Genetics·DateDec 6, 2012

General thoracic surgeons emerge as leading providers of complex, noncardiac thoracic surgery

A recent UC Davis study reveals that general thoracic surgeons perform the majority of complex noncardiac thoracic surgeries, including esophageal and lung procedures. The research supports the recognition of general thoracic surgery as a distinct specialty, benefiting patients in selecting surgeons for specific procedures.

SourceUniversity of California - Davis Health·JournalThe Annals of Thoracic Surgery·DateDec 6, 2012

How cold will a winter be in 2 years?

A recent study published in Tellus A found that none of the 23 climate models evaluated can reliably predict weather patterns for seasonal to decadal time scales. The researchers suggest that improvements in model quality require a better understanding of atmospheric processes and more comprehensive data records, particularly from the ...

SourceHelmholtz Association·JournalTellus A Dynamic Meteorology and Oceanography·DateDec 6, 2012

American Chemical Society Climate Science Toolkit: Fostering climate science understanding

The American Chemical Society has developed a comprehensive climate science toolkit, providing explanations of key concepts such as the greenhouse effect and climate change education for the public. The toolkit aims to foster a basic understanding of climate science among scientists and others, enabling informed personal decisions.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateDec 5, 2012

Communications training, surgical checklist can reduce costly postoperative complications

Researchers found that communications training and a standardized surgical checklist can significantly reduce postoperative complications, including infections and blood clots. The study suggests that these simple cost-effective methods can help teams agree on priorities and ensure accountability, leading to better patient outcomes.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateDec 5, 2012

New poll shows US public supports continued investment in Federal Nutrition Assistance Program

A new poll from Harvard School of Public Health shows the US public supports continued investment in Federal Nutrition Assistance Program (SNAP). Americans support policies to improve nutritional impact by incentivizing healthy food purchases and restricting sugary drinks. The survey garnered responses from 3,024 adults, with a majorit...

SourceHarvard T.H. Chan School of Public Health·JournalPublic Health Nutrition·DateDec 5, 2012