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Gender differences in heart failure

Women tend to live longer with heart failure than do men, and they also tend to have a less severe form of the disease, which is characterized by reduced performance of the heart muscle, according to a study by Duke University Medical Center cardiologists.

14 Nov 2006

Waltzing is the way to mend a broken heart!

Italian researchers have found that in patients recovering from heart attacks dancing the waltz was as effective as routine training programs for improving heart health.

13 Nov 2006

Kaposi's sarcoma-associated herpesvirus tricks cells to become tumors

Researchers at the University of Pennsylvania School of Medicine have discovered how the Kaposi's sarcoma-associated herpesvirus (KSHV) subverts a normal cell process in order to promote tumor growth.

8 Nov 2006

Bionomics delivers on milestones for cancer, anxiety and multiple sclerosis programs

Australian drug discovery company Bionomics Limited today updated shareholders at its Annual General Meeting on the recent progress of its anti-cancer drug BNC105 and drug discovery programs in anxiety and Multiple Sclerosis.

8 Nov 2006

Scientists discover how androgen plays a role in the development of prostate cancer

Scientists have discovered for the first time a specific biochemical pathway by which the sex hormone, androgen, increases levels of harmful chemicals called reactive oxygen species (ROS) in the prostate gland that play a role in the development of prostate cancer.

8 Nov 2006

Nanoparticles for two-photon photodynamic therapy in living cells

Photodynamic therapy (PDT) uses a combination of ultraviolet or visible light and a light-sensitive chemical, or photosensitizer, to kill cancer cells using reactive oxygen.

6 Nov 2006

Combination therapy of salmeterol and fluticasone improves survival in patients with COPD

A combination of two common medications may help patients with chronic obstructive pulmonary disease (COPD) live longer.

23 Oct 2006

Umbrella-like valve may help patients with emphysema breathe easier

In a new study presented at CHEST 2006, the 72nd annual international scientific assembly of the American College of Chest Physicians (ACCP), the IBVTM Valve, a nonsurgical, investigational device, was shown to be safe and effective for patients with emphysema.

23 Oct 2006

Health hazards of global warming

Global warming could do more to hurt your health than simply threaten summertime heat stroke, says a public health physician.

23 Oct 2006

Scientists discover how brain turns on system designed to protect nerve cells from toxic "free radicals"

Scientists at Dana-Farber Cancer Institute report they have found how the brain turns on a system designed to protect its nerve cells from toxic "free radicals," a waste product of cell metabolism that has been implicated in some degenerative brain diseases, heart attacks, strokes, cancer, and aging.

20 Oct 2006

Scientists discover why some bacteria are naturally magnetic

Scientists at the Naval Research Laboratory (NRL) and Purdue University have shed light on one of microbiology's most fascinating mysteries--why some bacteria are naturally magnetic.

20 Oct 2006

Researchers step toward therapy for respiratory syncytial virus

When a child under the age of 2 contracts a respiratory tract infection requiring hospitalization, odds are that the cause is respiratory syncytial virus (RSV).

17 Oct 2006

Researchers find areas in the brain that indicate bilingualism

The finding sheds new light on decades of debate about how the human brain's language centers may actually be enhanced when faced with two or more languages as opposed to only one.

17 Oct 2006

New guidelines for nausea and vomiting

After five years of reviewing the latest research findings, a panel of experts led by a Duke University Medical Center anesthesiologist has developed new guidelines to help physicians reduce the occurrence of nausea and vomiting in patients after surgery.

16 Oct 2006

Heme oxygenase-1 protects against lung damage in silicosis

Levels of heme oxygenase-1 (HO-1), an antioxidant that protects against reactive oxygen species (damaging oxygen molecules that cause direct tissue injury), become elevated in the lungs of chronic silicosis patients and could represent a new treatment approach for the disease.

16 Oct 2006

Taking sildenafil will worsen sleep apnea

According to Brazilian researchers, taking Viagra (sildenafil) at bedtime may aggravate breathing problems in patients with severe obstructive sleep apnea.

4 Oct 2006

One-third of U.S. kids unfit

Researchers in the U.S. report that as many as one-third of American children are physically unfit but boys are in better shape than girls.

3 Oct 2006

Walking may not provide significant health benefits

Walking is a popular form of exercise, but may not be enough to experience significant health benefits, a University of Alberta study shows.

21 Sep 2006

New screening method shows how nanoparticles interact with human cells

Scientists at the Brookhaven National Laboratory have developed a screening method to examine how newly made nanoparticles interact with human cells following exposure for various times and doses. Using this new method, the investigators have been able to visualize how human cells interact with some specific types of carbon nanoparticles.

12 Sep 2006

Reactive oxygen species in cancer cells

A biochemical alteration that has long been viewed as an adverse aspect of tumor biology may turn out to be a deadly double-edged sword for the cancer cells themselves.

12 Sep 2006