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Signaling pathway mTOR plays a role in the brain's ability to sense how much energy the body has available

A cell-signaling pathway in the brain that is linked to the development of cancer and diabetes is also a key part of networks that regulate food intake, say University of Cincinnati (UC) researchers.

12 May 2006

Search for cancer genes unlikely to be successful

The hunt to find common genes that are associated with cancer is unlikely to be successful, say experts in this week's British Medical Journal.

11 May 2006

Potential for organ donation in the United Kingdom

The biggest obstacle to improving the organ donation rate in the United Kingdom is the number of relatives who refuse consent, say researchers in this week's British Medical Journal.

11 May 2006

Ghrelin involved in development of diabetes

Ghrelin, a hormone long considered a key player in obesity, may instead take a major role in maintaining the balance between insulin and glucose and the development of diabetes, said Baylor College of Medicine researchers in a report in the current issue of the journal Cell Metabolism.

11 May 2006

Claims that medicine is rife with malpractice lawsuits 'overblown'

According to new research, contrary to public perception, people who file lawsuits against doctors accusing them of medical mistakes rarely do so frivolously, and those who do submit trivial claims as a rule receive no payout.

11 May 2006

Researchers link novel mutated gene to mental retardation and imbalance syndrome

Researchers at the University of California, San Diego School of Medicine have identified a genetic cause for a form of pediatric brain malformation involving the cerebellum.

11 May 2006

Interferon-gamma plays a critical role in damaging the cells that produce myelin

A new way to preserve the cells that surround and protect nerves could lead to new treatments for demyelinating diseases such a multiple sclerosis, a research team reports in the May 10, 2006, issue of the Journal of Neuroscience.

10 May 2006

Mental activity leads to mental agility

Scientists have long known that brains need neural activity to mature and that sensory input is most important during a specific window of time called the "critical period" when the brain is primed for aggressive learning.

10 May 2006

Neurons can produce Alzheimer's-linked apolipoprotein E

A question long debated among Alzheimer's disease researchers has been definitively answered by scientists at the Gladstone Institute of Neurological Disease in San Francisco.

10 May 2006

Psychological well-being improves after adolescence

Although young adults are faced with a diversity of life choices, they seem to be coming to terms with themselves and their lives in their 20s, says new University of Alberta research that shows psychological well-being improves after adolescence and girls improve faster than boys.

10 May 2006

Unique protein expression could serve as a screening test for head and neck cancers

The blood of patients with head and neck cancer appears to have unique patterns of protein expression that one day could serve as a screening test for the highly aggressive cancer that is often diagnosed too late, researchers say.

10 May 2006

Hurricane linked to long term effects on mental health

Florida State University sociologists in Tallahassee, Fla. have found that some South Floridians who survived 1992's Hurricane Andrew suffered mental health problems many years later, a finding that has led the researchers to predict even more dire consequences for those who lived through last year's devastating Hurricane Katrina.

10 May 2006

Local clinical quality monitoring for detection of excess operative deaths

If convicted murderer Dr Harold Shipman had been working as a surgeon or anaesthetist at a specialist UK heart hospital in Cambridge, increased patient death rates would have alerted clinical audit staff after eight to ten months, according to research in the latest issue of Anaesthesia.

10 May 2006

"Internet addiction"

The Internet - millions of people rely on it for everyday tasks. But when is the line crossed between average use and addiction?

10 May 2006

Promising chemo, therapeutic viruses, cutting-edge surgery debut at M. D. Anderson Cancer Center

Brain tumor specialists at The University of Texas M. D. Anderson Cancer Center are poised on the brink of a new era.

10 May 2006

Grapefruit substance that interferes with drugs identified

New research from the University of North Carolina at Chapel Hill has identified and established the substance in grapefruit juice that causes potentially dangerous interactions with certain medications.

10 May 2006

New treatment for chronic eosinophilic leukemia

Leukemia - or cancer of the bone marrow - strikes some 700 Belgians each year. Chronic Eosinophilic Leukemia (CEL), a specific form of leukemia, is currently treated with Glivec.

10 May 2006

Help for elderly people to spark new research ideas

New technologies and services can help elderly and disabled people live longer at home. The Ambient Assisted Living programme will focus on this vision but can only begin after agreement on how to combine national and European initiatives. Political accord is the key, notes a project preparing the groundwork.

10 May 2006

New treatment for food poisoning

A team of researchers working at the University of Bristol has found a potential new treatment for listeriosis, a deadly form of food poisoning. Their work is reported in Nature Medicine.

10 May 2006

Air purifiers increase ozone levels exceeding health standards

In a small, poorly ventilated room, an indoor air purifier that produces even a few milligrams of ozone per hour can create an ozone level that exceeds public health standards, researchers at UC Irvine have found.

10 May 2006