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Glacial advances

A new study reveals that glaciers in New Zealand's Southern Alps have fluctuated frequently over the past 7,000 years, with some advances and declines not seen in the Northern Hemisphere. The research uses a refined method to date young moraines, allowing for more accurate reconstructions of glacial advances worldwide.

The 'myths' of Coca-Cola

A recent editorial in The Lancet critiques Coca-Cola's marketing tactics, drawing parallels with the tobacco industry. The company is accused of using celebrity endorsements and blaming shifting to avoid responsibility for its products' impact on health.

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 9, 2009

Healing a shoulder separation

Mid-level shoulder separations, also known as acromioclavicular joint injuries, are common athletic injuries. Nonsurgical treatment is often favored for type III injuries, but surgical reconstruction may be recommended for certain patients with persistent instability. Both approaches require rehabilitation to restore motion and strength.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of the American Academy of Orthopaedic Surgeons·DateApr 1, 2009

Action video games improve vision

Research from the University of Rochester found that action video games can improve contrast sensitivity by 58% by training the brain to process visual information more efficiently. This finding suggests that gaming may not be harmful for vision and could potentially complement eye-correction techniques.

SourceUniversity of Rochester·JournalNature Neuroscience·DateMar 29, 2009

RWJF launches $19 million public health law research program

The Robert Wood Johnson Foundation has launched a new $19 million research program to investigate the impact of laws on public health. The program, led by Temple University's James E. Beasley School of Law, will focus on pressing health challenges such as infectious and chronic diseases, and health emergencies like floods and epidemics.

Insomnia often appears to be a persistent condition

A recent study found that approximately 30 percent of adults report insomnia symptoms, and 74 percent report experiencing the condition for at least one year. Individuals with severe insomnia symptoms are more likely to relapse, while those with subsyndromal insomnia have a higher chance of remission.

SourceJAMA Network·JournalArchives of Internal Medicine·DateMar 9, 2009

Impulsivity in kindergarten may predict gambling behavior in 6th grade

A study of 163 children found that those rated as more impulsive in kindergarten were more likely to engage in gambling behaviors by the sixth grade. The research suggests that behavioral features such as inattentiveness and hyperactivity at school entry can be a vulnerability factor for precocious risk-oriented behavior like gambling.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateMar 2, 2009

What we don’t know still hurts us, environmental researchers warn

A recent study published in the Proceedings of the National Academy of Sciences highlights the need for improved understanding of ecosystem interactions and long-term data collection. The authors warn that current approaches are limited by discipline-bound thinking and lack a full description of the complex biophysical and social systems.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateJan 29, 2009

It's the network: Penn researchers examine behavior influenced by network structure

Researchers at the University of Pennsylvania found that network structure influences behavior, with some networks generating global adoption of minority viewpoints and others prioritizing individual self-interest. Stubborn individuals can even improve collective performance, while greater awareness of neighboring preferences leads to ...

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateJan 28, 2009