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Science News Archive 2012 - Page 115


Page 115 of 333

Lawson researcher sings the baby blues

A new study suggests pregnancy could have a positive impact on bipolar disorder, with fewer and shorter episodes in pregnant women. The study's findings call for large, multicenter, prospective studies to better understand the natural course of the disorder.

SourceLawson Research Institute·JournalJournal of Clinical Psychiatry·DateAug 22, 2012

Experts say ethical dilemmas contribute to 'critical weaknesses' in FDA postmarket oversight

A commentary by former Institute of Medicine committee members highlights the need for increased postmarket oversight and an independent ethics advisory board to address ethical challenges in drug safety. The authors emphasize the responsibility of the FDA to research participants and the importance of clear informed consent processes.

SourceJohns Hopkins Medicine·JournalNew England Journal of Medicine·DateAug 22, 2012

Income, 'screen time' affect soda, junk food consumption

A study of 1,800 Canadian preschoolers found that those from low-income neighborhoods were more likely to drink sugary sodas and juice, while spending more time in front of screens. This research highlights the need for action on poverty-related food choices and education as a key factor in promoting healthy eating habits.

SourceUniversity of Alberta·JournalPublic Health Nutrition·DateAug 22, 2012

Managerial role associated with more automatic decision-making

Researchers found that managers and non-managers exhibit differential brain activation patterns during decision-making, with managers showing a more heuristic, automated approach. This study provides insight into the neural basis of managerial decision-making and its differences from non-managerial decisions.

SourcePLOS·JournalPLOS ONE·DateAug 22, 2012

Many medications for elderly are prescribed inappropriately

A systematic review found that approximately one in five elderly prescriptions are inappropriate, with medications like diphenhydramine and propoxyphene being used incorrectly. The study highlights the need for more accurate medication prescribing practices in primary care settings.

SourcePLOS·JournalPLOS ONE·DateAug 22, 2012

Key to burning fat faster discovered

Researchers at the University of Copenhagen have discovered an enzymatic ignition key that can be turned on and off, allowing enzymes to work three times harder. This breakthrough has significant implications for understanding and potentially curing diseases such as diabetes, cardiovascular disease, stroke, and acne.

SourceUniversity of Copenhagen·JournalJournal of the American Chemical Society·DateAug 22, 2012

30 minutes of daily exercise does the trick

A study published in the American Journal of Physiology found that 30 minutes of daily exercise resulted in significant weight loss and calorie burn, surpassing 60 minutes. The research, led by Mads Rosenkilde, also revealed that participants exercising 30 minutes per day had higher motivation to engage in physical activity.

Future memory

Researchers at Northwestern University have developed a new class of organic materials that can be used for ferroelectricity, which could improve computer memory and sensing devices. The discovery could save $6 billion in electricity costs annually if used in cloud computing.

SourceNorthwestern University·JournalNature·DateAug 22, 2012

Archived Guthrie cards find a new purpose

Researchers have discovered that archived Guthrie cards hold valuable epigenetic information about newborns, which can be used to predict future health outcomes. The study found that these marks are present at birth and remain stable into early childhood, offering a unique window into the development of diseases.

SourceCold Spring Harbor Laboratory·JournalGenome Research·DateAug 22, 2012

Northwestern scientists create chemical brain

Researchers connect 250 years of organic chemical knowledge into a giant computer network, optimizing syntheses of drug molecules and identifying suspicious chemical recipes. The Chematica system learns from experience and can test every possible synthesis, finding truly optimal ways to make desired chemicals.

SourceNorthwestern University·JournalAngewandte Chemie·DateAug 22, 2012

With a little training, signs of schizophrenia are averted

Researchers found that rats with brain lesions developed schizophrenia-like symptoms if not trained, but those who received early cognitive training as adolescents showed no signs of the disorder. The study suggests that experience and learning can overcome neural disabilities, paving the way for new treatments for mental disorders.

SourceCell Press·JournalNeuron·DateAug 22, 2012