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More evidence dopamine plays a role in obesity

A brain-imaging study of genetically obese rats conducted at the U.S. Department of Energy's Brookhaven National Laboratory provides more evidence that dopamine - a brain chemical associated with reward, pleasure, movement, and motivation - plays a role in obesity.

25 Oct 2007

Closing the racial wealth gap

People of color in the United States typically have 15 percent of the net worth of their white counterparts, according to the Insight Center for Community Economic Development.

25 Oct 2007

French clay fights flesh-eating bug

French clay that kills several kinds of disease-causing bacteria is at the forefront of new research into age-old, nearly forgotten, but surprisingly potent cures.

25 Oct 2007

Valsartan might help prevent Alzheimer's disease

Alzheimer disease (AD), a neurodegenerative disease that is the most common form of dementia, is characterized by the formation in the brain of plaques containing misfolded beta-amyloid protein.

25 Oct 2007

Cow infections could provide clue to preventing infertility in women

Researchers at the Royal Veterinary College, London, have made a significant breakthrough in their understanding of how infection of the uterus damages fertility in cows.

25 Oct 2007

Human decision-making linked to an individuals' need to maintain a homeostatic balance

A researcher at the University of California, San Diego (UCSD) School of Medicine suggests that psychiatrists may need to approach the treatment of psychiatric patients from a new direction - by understanding that such individuals' behavior and decision-making are based on an attempt to reach an inner equilibrium.

25 Oct 2007

Low-density lipoprotein may contribute to vascular diseases

Low-density lipoprotein (LDL), a transporter of cholesterol, may also contribute to vascular diseases by a previously unidentified mechanism, according to a report published online this week in EMBO reports.

25 Oct 2007

Researchers discover drug-craving brain region in rats

Chilean researchers have identified a region of the brain - the insular cortex - that plays a role in drug craving in amphetamine-addicted rats, according to a report published in the 26 October issue of the journal Science, published by the American Association for the Advancement of Science (AAAS), the nonprofit science society.

25 Oct 2007

Why do some people solve problems more creatively than others?

Are people who think creatively different from those who tend to think in a more methodical fashion?

25 Oct 2007

Acute pancreatitis and cholangitis

Percutaneous endoscopic gastrostomy (PEG) is generally considered to be safe with a low rate of serious complications.

25 Oct 2007

New target for Hepatocellular carcinoma therapy

Hepatocellular carcinoma (HCC) is a major health problem worldwide. Currently, the only chance for obtaining a cure in patients with HCC is by either a surgical resection or liver transplantation.

25 Oct 2007

WHO publishes new standard for documenting the health of children and youth

WHO publishes the first internationally agreed upon classification code for assessing the health of children and youth in the context of their stages of development and the environments in which they live.

24 Oct 2007

Test gives insight into prognosis in patients with plasma cell malignancies

A new Mayo Clinic study due to be presented at the annual meeting of the American Society of Human Genetics in San Diego this week shows that a chromosome test called “FISH” is better than conventional methods in identifying chromosomal genetic abnormalities associated with plasma cell malignancies.

24 Oct 2007

Optimism - how the brain generates the human tendency

A neural network that may generate the human tendency to be optimistic has been identified by researchers at New York University.

24 Oct 2007

Many medical disorders may be languishing in mountains of discarded gene data

Previously hidden obesity-related genes have been uncovered from old experiments by researchers at the Stanford University School of Medicine and Lucile Packard Children's Hospital.

24 Oct 2007

Specialists in infectious disease and global health convene at Philadelphia meeting

Nearly 2,500 physicians and scientists from institutions around the world such as the World Health Organization, the Centers for Disease Control and the National Institutes of Health will meet at the 56th American Society of Tropical Medicine and Hygiene's Annual Meeting on Nov. 4-8, in Philadelphia to discuss the latest research on infectious diseases and bioterrorist and global health threats.

24 Oct 2007

Severely restricting calories leads to a longer life

New research now has shown for the first time that such a diet also can maintain physical fitness into advanced age, slowing the seemingly inevitable progression to physical disability and loss of independence.

24 Oct 2007

Hands quicker than eyes when it comes to screening

That fleeting moment of regret between clicking the wrong icon and seeing an unwanted web page pop onto the screen could make a huge difference in improving the accuracy of visual searches in medicine and homeland security.

24 Oct 2007

Role of cholesteryl ester hydrolase in reducing heart disease identified

Virginia Commonwealth University researchers have identified the role of a key enzyme called CEH in reducing heart disease, paving the way for new target therapies to reduce plaques in the arteries and perhaps in the future, help predict a patient's susceptibility to heart disease.

24 Oct 2007