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More physical activity does not lower risk of colon cancer

A prospective cohort study of 31,783 American women has found no significant association between levels of physical activity and colon cancer incidence.

17 Feb 2006

Macrophage signaling may affect hormone resistance in prostate tumors

Interaction between prostate cancer cells and immune cells called macrophages may be a source of inflammatory signals capable of impacting the effectiveness of androgen antagonists, the most common and effective treatment for prostate cancer, according to a new study by researchers at the University of California, San Diego (UCSD) School of Medicine.

16 Feb 2006

Cutting angioplasty risks

Significant gains made through multi-hospital cooperative effort led by U-M Cardiovascular Center and funded by Blue Cross Blue Shield of Michigan.

16 Feb 2006

FOLFOX now treatment standard for colorectal cancer in the United States

One of the newest and most potent chemotherapies for colon cancer is as safe and effective for the elderly as it is for younger patients, based on a University of North Carolina at Chapel Hill-led data review.

16 Feb 2006

Diuretics improve exercise capacity in patients with congestive heart failure

Diuretics reduce the risk of death, delay heart deterioration and improve exercise capacity in patients with congestive heart failure, a new review of studies shows.

16 Feb 2006

Brain scans may detect neurological decline in normal people

Brain scans may detect neurological changes in people who exhibit no outward signs of cognitive decline but who later develop dementia or mental impairment, according to the results of a new study led by researchers at the University of California, Berkeley.

16 Feb 2006

Grapefruits help reduce cholesterol

A grapefruit a day - particularly the red variety - can help keep heart disease at bay, according to a new study by Israeli researchers.

16 Feb 2006

Anti-malarials most effective in lupus patients genetically at risk of high levels of TNF-alpha

Anti-malarial drugs are most effective in people with lupus who are genetically predisposed to high levels of tumour necrosis factor alpha and low levels of the cytokine IL-10.

16 Feb 2006

Reactivating a specific memory does not affect associated or related memories

Researchers at a trio of universities have found that reactivating a specific memory does not affect associated or related memories, adding to our understanding of how memories are stored and influenced.

16 Feb 2006

Link between glucose levels and death in patients with cardiovascular disease

Men with cardiovascular disease may be at considerably increased risk for death even when their blood sugar level remains in the "normal" range, suggests a new study by a team of scientists at UCLA and Cedars-Sinai Medical Center in Los Angeles.

16 Feb 2006

Adverse drug events believed to be among the leading causes of mortality in the United States

Less than 1 percent of outpatients who received medication in 2002 were prescribed a medication that violated a prescription drug's black box warning, according to a study in the Archives of Internal Medicine.

16 Feb 2006

Causes of type 1 diabetes

Scientists are casting a wide, tightly woven net with the goal of catching the causes of type 1 diabetes.

16 Feb 2006

New insight into pathogenic mechanisms underlying basal-like breast cancers

Basal-like breast cancers (BLC) are highly aggressive tumors with a relatively poor prognosis that account for approximately 15% of sporadic human breast cancer.

16 Feb 2006

Study identifies compounds that overcome a specific type of resistance to chemotherapeutic-induced apoptosis

Treatment of human cancer is often impeded when cancer cells develop resistance to drugs that are designed to induce a type of programmed cell death called apoptosis.

16 Feb 2006

ECT shock treatment improves quality of life in patients with major depression

Electroconvulsive therapy (ECT) - shock treatment -improves quality of life in patients with major depression, and that improved quality of life continues for six months, according to a report in the February Journal of Affective Disorders.

16 Feb 2006

Floating reduces stress-related pain

Treatment in the form of floating in huge tanks of saltwater, so-called 'floating', is effective for chronic stress-related pain. This is shown in a study at Karlstad University, Sweden, led by Professor Torsten Norlander.

16 Feb 2006

MRI can detect breast disease missed by mammography

Researchers have found that mammography coupled with magnetic resonance imaging (MRI) is extremely sensitive in the detection of ductal carcinoma in situ (DCIS). DCIS, or early stage breast carcinoma, is a pre-invasive malignancy and MRI may help identify this type of disease, which may not be visible on a mammogram.

16 Feb 2006

X chromosome dosage compensation proven in germ cells

X chromosome dosage compensation does occur in germ cells. A study published today in the open access journal Journal of Biology reveals that expression of the genes on the X chromosome is doubled in Drosophila germ cells to compensate for the missing second X chromosome.

16 Feb 2006

Loud music prolongs the effects of taking ecstasy

A study published in the open access journal BMC Neuroscience shows that the reduction in rats’ brain activity induced by 3,4 -Methylenedioxymethamphetamine (MDMA or ecstasy) lasts long after administration of the drug - up to five days - if loud music is played to them simultaneously. The effects wear off within a day when no music is played.

16 Feb 2006

Grapefruit reduces risk from heart disease

Heart disease patients who eat one grapefruit daily can significantly reduce the levels of cholesterol in their blood in comparison to patients who do not eat the fruit, a new study has found. Chronic high blood cholesterol is a major risk factor for heart disease.

16 Feb 2006