Medicine News and Research

RSS

Risks of long-term hormone therapy continue to outweigh benefits

New results from the Women's Health Initiative (WHI) confirm that the health risks of long-term use of combination (estrogen plus progestin) hormone therapy in healthy, postmenopausal women persist even a few years after stopping the drugs and clearly outweigh the benefits.

6 Mar 2008

New way to assess a woman's risk for invasive breast cancer

Researchers at the University of California, San Francisco have developed a way to quickly estimate a woman's risk for invasive breast cancer.

6 Mar 2008

Worried about your cholesterol?

You may want to schedule a few appointments with a registered dietitian, to get some sound advice about how to shape up your eating habits, according to a new national study led by University of Michigan Health System researchers.

6 Mar 2008

Curing cancer with natural products - a case for shamans and herb women?

Not at all, for many chemotherapies to fight cancer applied in modern medicine are natural products or were developed on the basis of natural substances. Thus, taxanes used in prostate and breast cancer treatment are made from yew trees. The popular periwinkle plant, which grows along the ground of many front yards, is the source of vinca alkaloids that are effective, for example, against malignant lymphomas. The modern anti-cancer drugs topotecan and irinotecan are derived from a constituent of the Chinese Happy Tree.

6 Mar 2008

Risk of surgery for lung cancer lower at teaching hospitals

Patients cared for by hospitals with residents in training have a 17 percent less chance of dying after lung cancer surgery compared with patients undergoing surgery at non-teaching hospitals, according to results of a Johns Hopkins study published in the March issue of the Annals of Thoracic Surgery.

6 Mar 2008

Researchers discover molecular pathway in blood vessels that controls blood pressure and vascular function

University of Iowa researchers have identified a molecular pathway in blood vessels that controls blood pressure and vascular function and may help explain why certain drugs for type II diabetes also appear to lower patients' blood pressure.

6 Mar 2008

ISG15 protein inhibits Ebola from reaching out to infect neighboring cells

Scientists at the University of Pennsylvania School of Veterinary Medicine have identified a protein, ISG15, that inhibits the Ebola virus from budding, the process by which viruses escape from cells and spread to infect neighboring cells.

6 Mar 2008

New malaria drug also treats toxoplasmosis

A new drug that will soon enter clinical trials for treatment of malaria also appears to be 10 times more effective than the key medicine in the current gold-standard treatment for toxoplasmosis, a disease caused by a related parasite that infects nearly one-third of all humans—more than two billion people worldwide.

6 Mar 2008

Prader-Willi syndrome - new genetic clues

A new mouse model for a genetic cause of obesity has been developed by scientists at the Stanford University School of Medicine and Lucile Packard Children's Hospital.

6 Mar 2008

Alcohol may increase blood pressure to a much greater extent than previously thought

Previous observational studies have reported that heavy alcohol intake is a risk factor for hypertension but such studies may be confounded by factors such as diet, smoking, exercise levels and socio-economic position.

6 Mar 2008

Genetic mutations involved in IGF-I signaling pathway influence life span

Mutations in genes governing an important cell-signaling pathway influence human longevity, scientists at the Albert Einstein College of Medicine of Yeshiva University have found.

6 Mar 2008

Costly placebo works better than cheap one

A 10-cent pill doesn't kill pain as well as a $2.50 pill, even when they are identical placebos, according to a provocative study by Dan Ariely, a behavioral economist at Duke University.

6 Mar 2008

Novel imaging technique provides comprehensive diagnosis of heart disease

In the current issue of the journal Circulation, a research team from the Medical University of South Carolina's (MUSC) Heart & Vascular Center report their initial experience with a novel imaging technique that enables comprehensive diagnosis of heart disease based on a single computerized tomographic (CT) scan.

6 Mar 2008

Dietary supplement called NutraStem protects against stroke damage

A unique dietary supplement called NutraStem has been shown to have beneficial effects following experimental stroke.

6 Mar 2008

Protein within neurons in the amygdala controls development of alcohol withdrawal symptoms and drinking behaviors

Doctors may one day be able to control alcohol addiction by manipulating the molecular events in the brain that underlie anxiety associated with alcohol withdrawal, researchers at the University of Illinois at Chicago College of Medicine and the Jesse Brown VA Medical Center report in the March 5 issue of the Journal of Neuroscience.

6 Mar 2008