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Black cohosh may interfere with breast cancer drugs

Black cohosh, an herb widely used by breast cancer patients to alleviate hot flashes and other menopausal symptoms, may alter the way that cells respond to drugs commonly used to treat breast cancer, according to a Yale School of Medicine study in Breast Cancer Research and Treatment.

27 Apr 2005

New guidelines for managing chronic kidney disease in patients living with HIV infection

The HIV Medicine Association has released guidelines for managing chronic kidney disease in patients living with HIV infection. They are published in the June 1 issue of Clinical Infectious Diseases.

27 Apr 2005

Molecular mechanism that desensitizes us to cold, discovered

Mount Sinai School of Medicine researchers have discovered how the membrane protein that allows us to sense cold works and how this protein becomes desensitized so that one no longer feels the cold.

27 Apr 2005

Risk scores identify young people with hardened arteries

Armed with more knowledge about what cardiovascular disease looks like in people ages 15 to 34, co-authors from the University of Texas Health Science Center, the Southwest Foundation for Biomedical Research and institutions in Delaware, New York, Pennsylvania and Louisiana will report...

27 Apr 2005

Scientists add an important piece to the intricate puzzle of type-1 diabetes

For some time, scientists have known that a regenerative or repair process -- involving the development of specialized structures called tubular complexes -- is switched on during physical and chemical trauma to the pancreas (the gland that manufactures and secretes crucial insulin in the body).

27 Apr 2005

Sydney Research Institute raises concerns about sleepy doctors

Professor Ron Grunstein, Head of the Sleep and Circadian Research Group and Dr Naomi Rogers, chronobiologist both of the Woolcock Institute of Medical Research, have questioned the ability of doctors in Australia's hospitals to do their job properly given the long hours many are expected to work.

27 Apr 2005

Antibiotics do not prevent heart attacks

Clinicians and researchers have found that more than three quarters of heart attack patients have been infected with chlamydia pneumoniae - a bacteria found in arteries of heart attack patients - and multiple studies have found this can double the risk of developing subsequent heart attacks.

27 Apr 2005

Runners must hydrate properly

Seeking to clarify complex issues involving hydration for athletes, the American College of Sports Medicine (ACSM) today reiterated its statements on hyponatremia and dehydration for athletes during endurance events.

27 Apr 2005

Increased risk associated with combining carotid artery, coronary artery surgeries

Among patients undergoing evaluation for coronary artery bypass surgery, stroke neurologists are frequently consulted when the patient also has severe carotid artery stenosis (blockage of an artery that supplies blood to the brain).

27 Apr 2005

National study to evaluate the effectiveness Targacept

Wake Forest University School of Medicine is one of 15 centers nationwide recruiting participants for a research study to evaluate the effectiveness of an investigational drug as an oral treatment for age associated memory impairment (AAMI), a condition that is marked by memory loss and poor concentration.

27 Apr 2005

National clinical trial examines new option for kidney cancer patients

The trial, which opened last September, offers research subjects who qualify a new, targeted therapy in addition to standard immune therapy. The drug combination is being studied in a national Phase II clinical trial led by OHSU Cancer Institute researcher Christopher Ryan, M.D., through the Southwest Oncology Group, one of the largest clinical trial cooperative groups in the United States.

27 Apr 2005

Alcohol-impaired driving on the increase

A national survey has found that after a long, slow downward trend alcohol-impaired driving has recently increased significantly. From 1993 to 1997 the estimated annual number of episodes of alcohol-impaired driving (AID) declined at a rate of a little more than one percent per year, from 123 million to 116 million.

27 Apr 2005

Promising new West Nile therapy cures disease in mice

West Nile virus alarmed Americans when it made its first U.S. appearance in New York City in 1999. It has since spread from coast to coast, sickened more than 16,000 Americans and killed more than 600.

27 Apr 2005

Angiogenesis : Blocking tumor growth and treating infarction - a new target

Our tissues are able to form new blood vessels throughout life. This mechanism, which is called angiogenesis, is essential notably in the case of myocardial infarction, stroke and limb ischemia. The very same mechanism, however, keeps tumors supplied with nutrients and oxygen thus enabling them to continue growing.

27 Apr 2005

Isotopes for society

The nucleus of an atom contains protons and neutrons. However, some atoms of the same chemical element can have varying numbers of neutrons, giving so-called isotopes of that element.

27 Apr 2005

Portable device to check for concussions

A player just took a hard knock to the head and is lying on the field. A coach rushes to his side, but the player sits up and seems fine.

27 Apr 2005

Quintuplets born to surrogate mother

In what is believed to be a world first, a surrogate mother has given birth to quintuplets.

26 Apr 2005

The power of advertising means you may get medications you don't need

A study published this month confirms what has often been suspected, that prescription drug advertising not only persuades patients to ask for certain medications but also has a profound influence on what doctors prescribe.

26 Apr 2005

Guidelines for research involving human embryonic stem cells

The National Academies today recommended guidelines for research involving human embryonic stem cells, and urged all institutions conducting such research to establish oversight committees to ensure that the new guidelines will be followed.

26 Apr 2005

Herceptin in combination with chemotherapy reduces risk of breast cancer recurrence in women with with early-stage breast cancer

Results from two clinical trials show that patients with early-stage breast cancer who received trastuzumab (Herceptin) in combination with chemotherapy had a 52 percent decrease in risk for breast cancer recurrence, compared with patients who received the same chemotherapy without the drug. The difference is statistically highly significant.

26 Apr 2005