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Out on a limb: the ethics of amputation

A Sydney University psychiatrist has argued that a surgeon should be allowed to amputate a patient's healthy leg if that is what the patient wants.

6 Nov 2008

Therapy targeting cyclin D1 protein may block expansion of breast cancer cells

Breast cancer stem cells are known to be involved in therapy resistance and the recurrence of cancerous tumors.

6 Nov 2008

Pine bark extract reduces jetlag

A new study published in the journal of Minerva Cardioangiologica reveals Pycnogenol, pine bark extract from the French maritime pine tree, reduces jetlag in passengers by nearly 50 percent.

6 Nov 2008

New research sheds light on key trigger of embryonic stem cell differentiation

Clusters of mouse embryonic stem cells called embryoid bodies more closely approximate true embryos in organization and structure than previously thought, according to researchers at the Stanford University School of Medicine.

6 Nov 2008

Proteomics provides clues to how tuberculosis thwarts the immune system

A link between the immune system and the self-cleaning system by which biological cells rid themselves of obsolete or toxic parts may one day yield new weapons in the fight against tuberculosis and other deadly infectious diseases.

6 Nov 2008

Discovery of new target in brain for treating schizophrenia

Research from the University of Pittsburgh could expand the options for controlling schizophrenia by identifying a brain region that responds to more than one type of antipsychotic drug.

6 Nov 2008

New therapeutic target for inflammatory disorders

Researchers at Hospital for Special Surgery have identified a potential new therapeutic target that could be used to treat inflammatory disorders, such as rheumatoid arthritis.

6 Nov 2008

MRI helps predict multiple sclerosis progression

A new study published in Journal of Neuroimaging shows that MRI scans used on multiple sclerosis (MS) patients to determine if the disease has affected gray matter in the brain can identify those at-risk for progression of disability.

6 Nov 2008

Variations in gene pathway alter risk of esophageal cancer

Variations in a common gene pathway may affect esophageal cancer risk, a dangerous and rapidly increasing type of cancer, according to research by scientists at The University of Texas M. D. Anderson Cancer Center.

6 Nov 2008

Discovery explains how insulin prompts fat and muscle cells to absorb glucose

A PhD student at Sydney's Garvan Institute of Medical Research has uncovered an important piece in the puzzle of how insulin works, a problem that has plagued researchers for more than 50 years.

6 Nov 2008

Anti-brain tumor agent derived from herpes virus passes next hurdle

An anti-brain tumor agent developed from a genetically engineered herpes simplex virus has been shown to be safe when given in two doses and injected directly into the brain of patients with malignant glioma.

6 Nov 2008

Nicotinamide, a form of vitamin B3, reduces Alzheimer's symptoms

An over-the-counter vitamin in high doses prevented memory loss in mice with Alzheimer's disease, and UC Irvine scientists now are conducting a clinical trial to determine its effect in humans.

5 Nov 2008

Risk of sudden cardiac death greater in 30 days following heart attack

The risk of sudden cardiac death following a heart attack has declined significantly in the past 30 years, although patients appear to be at elevated risk for sudden cardiac death for the first month after having a heart attack, after which time their risk decreases unless they develop heart failure, according to a study in the November 5 issue of JAMA.

5 Nov 2008

Response rates to antidepressants differ among English and Spanish speaking Hispanics

In the first-ever study of its kind, a team led by researchers at Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed) report in November's Psychiatric Services journal that Spanish-speaking Hispanics took longer to respond to medication for depression and were less likely to go into remission than English-speaking Hispanics.

5 Nov 2008

Research looks at differential rates of psychoses by ethnicity

Researchers examining the occurrence of psychoses among migrant groups have shown a raised incidence for all black and ethnic minority subgroups compared with white British counterparts, and reveal that the risk of psychoses for first and second generations varies by ethnicity.

5 Nov 2008

Canadian study to look at exercise and physical activity

We all know physical activity is good for you. But why exactly is it good for you? What effect does exercise have on the cells and tissues of the body?

5 Nov 2008

Scientists show how body regulates mature B-cells levels

Researchers at the University of Pennsylvania School of Medicine can now explain how the body determines whether there are enough mature B-cells in the blood stream at any one time.

5 Nov 2008

Risk of sudden cardiac death highest early after attack

People who survive a heart attack face the greatest risk of dying from sudden cardiac death (SCD) during the first month after leaving the hospital, according to a long-term community study by Mayo Clinic researchers of nearly 3,000 heart attack survivors.

5 Nov 2008