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Tag: "negative" at biology news

Chronic pain up almost 40 percent among US workers in past decade

...ick, leading to a growing trend of presenteeism ?a negative impact on work despite being physically present at the job. These data, released today, are from a 2006 national survey conducted by Harris Interactive® on "Pain in the Workplace" ( www.painandwork.com ), sponsored by PriCaraÔ, Unit of Ortho-McNeil, ...

Performing surgery on a beating heart may be safer

...lung machine, is a safe option that leads to fewer negative side effects for bypass patients. This review is featured in Journal of Cardiac Surgery. “Previously, it was more common for doctors to perform artery bypass surgery on the heart by stopping the heart and passing the blood through a heart-lung mach...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...at similar impacts might be seen in humans without negative side-effects," says co-senior author David Sinclai...ths, resveratrol essentially prevented most of the negative effects of the high calorie diet in mice," said Rafael de Cabo, Ph.D., the study's other co-senior i...

Low levels of neurotransmitter serotonin may perpetuate child abuse across generations

...mothers as they parented to note hitting and other negative behaviors toward their infants, and took samples of their cerebrospinal fluid to measure the metabolite concentrations of brain neurotransmitters such as serotonin every six months. They followed the infants until they became mothers themselves and s...

Antibiotic treats lymphoma of the eye

...doxycycline therapy, whether they were positive or negative for chlamydia. They looked for tumor progression every 6 months. The authors found that doxycycline treatment caused lymphoma to regress in both patients who did not test positive for the disease and those who did. They suggest that doxycycline may...

'Super' enzyme may lead way to better tumor vaccines

...nated a small part of the Akt1 molecule that had a negative or inhibitory effect. "It turned out that the altered molecule was much more potent," Spencer said. He credited graduate student Dongsu Park with doing much of the work to develop the super form of Akt1. Using specially designed adenoviruses, h...

New gene linked to bipolar disorder

... depression include losing weight, feeling totally negative about oneself, feel hopeless about the future and sometimes ending up in a depressive stupor in bed, unable to move, eat, drink or talk. People with bipolar disorder may also experience extreme mood highs, overactivity, increased libido, sleeplessnes...

Gene linked with mental illness shapes brain region, researchers find

...nd with enlargement of a brain region that handles negative emotions, researchers at UT Southwestern Medical C...lvinar communicates with brain regions involved in negative emotional issues," said Dr. Dwight German, professor of psychiatry at UT Southwestern and senior aut...

New brain-chemistry differences found in depressed women

... activation correlated with the intensity of their negative emotional state brought on by the sad memories. Among the non-depressed women, the mu-opioid system was actually less active in some parts of the brain than it had been before they recalled sad memories. The researchers found differences among th...

Anticipation plays a powerful role in human memory, brain study finds

...sal response in patients so that they do not evoke negative memories so easily," she adds....

Researchers identify neurons that assign value during learning

...bstitute activation of these cells for positive or negative experiences, researchers have been able to identif...evel, we learn to associate cues with positive and negative experiences, are reported by Andre Fiala and colleagues at the University of Würzburg in Germany and...

Bad blood between boys and girls

...others gave birth to more boys than did Toxoplasma negative women. The probability of a male birth also increased, up to two boys in three children, with increasing levels of anti-Toxoplasma antibodies. According to the researchers, the increased survival of male embryos in infected women may be explained b...

SARS: No evidence that any of the treatments worked

...3-09-stockman.jpg Caption: SARS coronavirus - A negative contrast transmission electron microscopy image of SARS coronavirus. Credit: Charles D. Humphrey, Centers for Disease Control and Prevention, USA CONTACT: Lauren Stockman Centers for Disease Control and Prevention Division of Viral and Rickettsial ...

Edge density key to controlling gypsy moth spread

...eoretical model to show how an interaction between negative population growth at low densities ?"the Allee effect" ?and the existence of a few satellite seed colonies created by human transfer of the insects over long distances, explain the invasion pulses, the researchers explain today (Nov. 16) in Nature. T...

New engineered drug may offer prolonged arthritis relief

...e site of disease, the drug also might cause fewer negative side effects than the unmodified drug, the researchers added. The team reported an initial proof-of-concept study on Saturday, Oct. 14, at the Biomedical Engineering Society annual meeting, in Chicago. The team also has reported related findings on...

New dyslexia theory blames 'noise'

...western University study from 2003 that documented negative effects from noise on children with learning deficits. Lu said there is a "lot of evidence" of learning problems from ambient noise. In one such study, Manis and a collaborator from UCLA found that children with dyslexia struggled to discriminate ...

Abnormal overexpression of p53 is a predictive molecular biomarker

...f producing effective protein. Tumors that are p53 negative likely have a working p53 gene and protein pathway, as normal p53 levels in cells are typically low. Advexin is farthest along in federal Food and Drug Administration (FDA) review of any experimental gene therapy, according to Introgen, and has b...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

...drugs given to adults in different and potentially negative ways. We need to understand how these drugs will affect the developing nervous system before giving them to children." The neuroscientists explain that because adolescents may have lower levels of serotonin than adults, there may not be enough of...

High HPV concentrations combined with smoking significantly raise risks of cervical cancer

... 14-fold increased risk over women who were HPV-16 negative and smoked. Nonsmoking women with high HPV-16 loads had just a 6-fold risk compared to HPV-negative nonsmokers. "Our initial analyses centered on whether smoking was an independent risk factor for cervical cancer," said Gunnell. "Clearly, both e...

Pleasure and pain: Study shows brain's 'pleasure chemical' is involved in response to pain too

...ts, and that it's activated with both positive and negative stimuli," says senior author Jon-Kar Zubieta, M.D....sted even after the researchers controlled for the negative emotional effects caused by the actual research setup, which included a needle inserted into a large...

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