الأحد، 27 نوفمبر 2011

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Brain imaging, behavior research reveals physicians learn more by paying attention to failure

Posted: 24 Nov 2011 12:02 PM PST

Research on physicians' decision-making processes has revealed that those who pay attention to failures as well as successes become more adept at selecting the correct treatment. The researchers also found that all the physicians in the study included irrelevant criteria in their decisions about treatment.

Researchers surprised to find fatty liver disease poses no excess risk for death

Posted: 23 Nov 2011 04:04 PM PST

Non-alcoholic fatty liver disease is a common condition associated with obesity and heart disease long thought to undermine health and longevity. But a new study suggests the condition does not affect survival.

Scientists uncover new role for gene in maintaining steady weight

Posted: 23 Nov 2011 04:04 PM PST

Against the backdrop of the growing epidemic of obesity in the United States, scientists have made an important new discovery regarding a specific gene that plays an important role in keeping a steady balance between our food intake and energy expenditure. The study may help scientists better understand the keys to fighting obesity and related disorders such as diabetes.

Diabetes drug shows promise in reducing risk of cancer, study suggests

Posted: 23 Nov 2011 04:03 PM PST

An inexpensive drug that treats Type 2 diabetes has been shown to prevent a number of natural and human-made chemicals from stimulating the growth of breast cancer cells, according to a new study.

Short waits, long consults keep most patients very happy with their physicians

Posted: 23 Nov 2011 12:19 PM PST

Patients overall in the United States are very satisfied with their physicians and with treatment they receive in outpatient settings, according to new information which challenges common public perceptions about outpatient medical treatment.

Enhanced treatment of brain tumors

Posted: 23 Nov 2011 10:33 AM PST

Scientists have tested a combination of radiation treatment and a substance that blocks the transforming growth factor beta for treating glioblastoma. In the mouse model, this combination therapy was found to be more effective in slowing down the growth of such malignant brain tumors and to prolong survival of the animals.

Scientists point to link between missing synapse protein and abnormal behaviors

Posted: 23 Nov 2011 10:33 AM PST

Although many mental illnesses are uniquely human, animals sometimes exhibit abnormal behaviors similar to those seen in humans with psychological disorders. Such behaviors are called endophenotypes. Now, researchers have found that mice lacking a gene that encodes a particular protein found in the synapses of the brain display a number of endophenotypes associated with schizophrenia and autism spectrum disorders.

Researchers discover clues to developing more effective antipsychotic drugs

Posted: 23 Nov 2011 10:31 AM PST

Researchers have identified the pattern of cell signaling induced by antipsychotic drugs in a complex composed of two brain receptors linked to schizophrenia. The discovery should allow researchers to predict the effectiveness of novel compounds for the treatment of schizophrenia and other serious mental disorders and may accelerate the development of better antipsychotic drugs.
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