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Previous research has implicated the brain’s opioid system in the development of alcohol-use disorders. New findings indicate that individuals with the G variant of the A118 polymorphism of the OPRM1 gene have greater subjective feelings to alcohol’s effects as well as a greater likelihood of a family history of alcohol-use disorders. Previous research has implicated the brain’s opioid system in the development of alcohol-use disorders. The mu-opioid receptor, which is encoded

The language network of the brain seemed simpler in the past. One brain area was recognized to be critical for the production of language, another for its comprehension. A dense bundle of nerve fibers connected the two.

But there have always been naysayers who pointed to evidence that failed to fit this tidy picture. Now a study employing a powerful variant of magnetic resonance imaging (MRI) confirms these suspicions. The study will be published December 13, 2004 in the online e

A fake Christmas tree may be more popular, but here’s a new reason to appreciate the real thing: Researchers have identified a group of anti-inflammatory compounds in the bark of the Scotch pine — widely used for Christmas trees — that they say could be developed into food supplements or drugs for treating arthritis and pain. The compounds, which show promise in preliminary cell studies, are likely to be found in other pine species as well, the scientists say.

Anti-inflammatory co

Some researchers have doubts that mammoths lived in the cold climate zones. Recently, Russian scientists have received strong evidence of woolly mammoths’ frost-resistance – they possessed sebaceous glands. The trip to visit mammoths was paid by the International Scientific and Technical Center, and the researchers’ search for sebaceous glands was supported by the Federal Target Scientific and Technical Program entitled “Investigations and Developments for Science and Engineering Priority Guid

A newly discovered genetic defect might represent an important risk factor for major depression, a condition which effects 20 million people in the U.S., according to Duke University Medical Center researchers. The mutation in the gene — whose protein product plays a primary role in synthesizing the brain chemical serotonin — could lead to the first diagnostic test for genetic predisposition to depression, the team said.

“Abnormalities in brain levels of serotonin have been wide

Service Will Allow Patients Direct Access to Latest Research

Scientific publishers and the nation’s leading voluntary health organizations have announced a groundbreaking initiative to help patients and caregivers close a critical information gap.

Scheduled to launch as a pilot project in Spring 2005, patientINFORM (www.patientinform.org) is a free, online service dedicated to disseminating original medical research directly to consumers. A collaborative effort of leadin