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Whole-genome sequencing can track origin and movement of TB pathogens

Reconstructing the spread of killer diseases such as tuberculosis (TB) from person to person using DNA sequencing quickly identifies the origin and movement of pathogens. This approach is directly informing public health strategies to control infectious disease outbreaks, says a scientist speaking at the Society for General Microbiology's Autumn Conference at the University of Warwick.

4 Sep 2012

Posterior medial cortex more specifically engaged in recall or imagination

You already know it's hard to balance your checkbook while simultaneously reflecting on your past. Now, investigators at the Stanford University School of Medicine - having done the equivalent of wire-tapping a hard-to-reach region of the brain - can tell us how this impasse arises.

4 Sep 2012

Study finds sex differences in vision between men and women

The way that the visual centers of men and women's brains works is different, finds new research published in BioMed Central's open access journal Biology of Sex Differences. Men have greater sensitivity to fine detail and rapidly moving stimuli, but women are better at discriminating between colors.

4 Sep 2012

People with normal blood sugar range may be at increased risk of brain shrinkage

People whose blood sugar is on the high end of the normal range may be at greater risk of brain shrinkage that occurs with aging and diseases such as dementia, according to new research published in the September 4, 2012, print issue of Neurology-, the medical journal of the American Academy of Neurology.

4 Sep 2012

Adolescents with autism spectrum disorder more likely to be bullied

A study based on information collected from 920 parents suggests an estimated 46.3 percent of adolescents with an autism spectrum disorder were the victims of bullying, according to a report published Online First by Archives of Pediatrics & Adolescent Medicine, a JAMA Network publication.

4 Sep 2012

Exposure to perfluorooctanoic acid appears to increase risk of CVD and peripheral arterial disease

Exposure to perfluorooctanoic acid (PFOA), a manmade chemical used in the manufacture of some common household products, appears to be associated with cardiovascular disease and peripheral arterial disease in a study of 1,216 individuals, according to a report published Online First by Archives of Internal Medicine, a JAMA Network publication.

4 Sep 2012

Infliximab may offer new hope for people with difficult-to-treat depression

Researchers at Emory University have found that a medication that inhibits inflammation may offer new hope for people with difficult-to-treat depression. The study was published Sept. 3 in the online version of Archives of General Psychiatry.

4 Sep 2012

Study finds little significant difference in health benefits between organic and conventional foods

You're in the supermarket eyeing a basket of sweet, juicy plums. You reach for the conventionally grown stone fruit, then decide to spring the extra $1/pound for its organic cousin. You figure you've just made the healthier decision by choosing the organic product - but new findings from Stanford University cast some doubt on your thinking.

4 Sep 2012

Plain cigarette packaging likely to reduce appeal of smoking for young people

While Australia has recently passed legislation to ban logos from cigarette packages and to make plain packaging mandatory, other countries are still considering whether or not to take similar measures. New research published in Biomed Central's open access journal BMC Public Health provides a report on the appeal of plain cigarette packs, compared to branded packs, among women in Brazil, and finds that plain packs reduce the appeal of their contents.

4 Sep 2012

PRISM technique as accurate as ELISAs in identifying proteins within biological samples

Combining two well-established analytic techniques and adding a twist identifies proteins from blood with as much accuracy and sensitivity as the antibody-based tests used clinically, researchers report this week in Proceedings of the National Academy of Sciences Early Edition online.

4 Sep 2012

Parkinson disease may share common pathogenic mechanisms with some cancers

A study that used a Utah genealogic database and a statewide cancer registry to examine the relationship between Parkinson disease (PD) and cancer suggests an increased risk of prostate cancer and melanoma in patients with PD and their relatives, according to a report published Online First by Archives of Neurology, a JAMA Network publication.

4 Sep 2012

Nottingham scientists develop novel antimicrobial catheter

A novel antimicrobial catheter that remains infection-free for up to twelve weeks could dramatically improve the lives of long-term catheter users. The scientists who have developed the new technology are presenting their work at the Society for General Microbiology's Autumn Conference at the University of Warwick.

4 Sep 2012

High-dose vitamin D appears to help patients with TB recover more quickly

For decades before antibiotics became generally available, sunshine was used to treat tuberculosis, with patients often being sent to Swiss clinics to soak up the sun's healing rays. Now, for the first time scientists have shown how and why heliotherapy might, indeed, have made a difference.

4 Sep 2012

Prenatal exposure to maternal cigarette smoking may promote obesity in adolescents

Prenatal exposure to maternal cigarette smoking appears associated with an increased risk for adolescent obesity, and is possibly related to subtle structural variations in the brain that create a preference for eating fatty foods, according to a report published Online First by Archives of General Psychiatry, a JAMA Network publication.

4 Sep 2012

Obama defends health law, saying Romney would end its consumer protections

President Barack Obama slapped a "Romney doesn't care" label on his rival's health-care views Sunday and said Republicans want to repeal new protections for millions without offering a plan of their own. ... "Gov. Romney promised that on his first day in office he's gonna sit right down, grab a pen and repeal Obamacare," the president said.

4 Sep 2012