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Could the food we eat be contributing to the continuing rise of antibiotic-resistant infections?

Harmless and even beneficial bacteria that exist in our food supply may also be carrying genes that code for antibiotic resistance.Once in our bodies, could they transmit the resistance genes to disease-causing bacteria?

24 May 2007

Moderate alcohol consumption lowers women's risk of heart attack

Women who regularly enjoy an alcoholic drink or two have a significantly lower risk of having a non-fatal heart attack than women who are life-time abstainers, epidemiologists at the University at Buffalo have shown.

24 May 2007

Effects of estrogen therapy with perimenopausal women

When is the best time in a woman's reproductive history to start hormone therapy? How does estrogen therapy affect a woman's cognition and mood? What is the most beneficial form of estrogen?

24 May 2007

More evidence found indicating potassium channels play a critical role in sleep

A gene that controls the flow of potassium into cells is required to maintain normal sleep in fruit flies, according to researchers at the University of Wisconsin School of Medicine and Public Health (SMPH).

24 May 2007

Diets high in salt may increase stomach ulcers

Scientists from the Uniformed Services University of the Health Sciences (USU) have discovered that diets high in salt may increase the virulence of the pathogen Helicobacter pylori (H. pylori), which is the most common cause of ulcers in the stomach and duodenum.

24 May 2007

Status of malaria in the world today

In an editorial in this week's JAMA: The Journal of the American Medical Association, Gianna Zuccotti, M.D., Contributing Editor, and Catherine D. DeAngelis, M.D., M.P.H., Editor in Chief, JAMA, comment on the status of malaria in the world today.

24 May 2007

Unhealthy outdoor zones for secondhand smoke

With the growing number of smoking bans in restaurants and bars driving smokers outside, researchers in Athens, Georgia, are hoping to find out whether secondhand smoke from smokers clustered outside these establishments is posing a health hazard of its own.

24 May 2007

Diagnostic tests for Malaria are often underused in Zambia

Despite improvements in the ability to diagnose malaria, these diagnostic tests are often underused in Zambia, and patients with negative test results are often prescribed anti-malaria medications, according to a study in the May 23/30 issue of JAMA , a theme issue on malaria.

24 May 2007

Yoga shows promise in improving symptoms associated with depression, anxiety and epilepsy

Researchers at Boston University School of Medicine (BUSM) and McLean Hospital have found that practicing yoga may elevate brain gamma-aminobutyric (GABA) levels, the brain's primary inhibitory neurotransmitter.

23 May 2007

U.S. food safety policies must involve all stakeholders

In order to manage the inherent complexity of the U.S. food safety system that's affected on the global scale, the Institute of Food Technologists recommends food safety policies be developed as part of a national initiative with input from all stakeholders.

23 May 2007

Vitamin A Retinol lotion helps reduce wrinkles associated with aging

Applying vitamin A to the skin appears to improve the wrinkles associated with natural aging and may help to promote the production of skin-building compounds, according to a report in the May issue of Archives of Dermatology, one of the JAMA/Archives journals.

23 May 2007

Smoking and depression

Based on a Finnish study, persistent smokers may have higher risk to become depressed in comparison to never smokers.

22 May 2007

Child obesity boom in China

Childhood obesity is widely recognised as a major contributor towards cardiovascular diseases, diabetes, sleep disorders, and psychological and social problems.

22 May 2007

Weill Cornell Medical College students help change global health policy

In a move to improve global public health, Weill Cornell Medical College students have helped place a lifesaving heart disease drug onto the World Health Organization's (WHO) list of essential medicines.

22 May 2007

Marijuana worsens breathing problems in current smokers with chronic obstructive pulmonary disease

"This study suggests an interaction between cigarettes and marijuana smoking. These findings have not been reported before, and they have a big public health implication," Dr. Tan says.

22 May 2007

Flash-heating breast milk infected with HIV successfully deactivates virus

A simple method of flash-heating breast milk infected with HIV successfully inactivated the free-floating virus, according to a new study led by researchers at the Berkeley and Davis campuses of the University of California.

22 May 2007

Discovery of chemical profiles for infectious diarrhoea

Academics from the Universities of the West of England and Bristol have found that faeces from healthy people and those with infectious diarrhoea differ significantly in their chemical composition and could be used to diagnose quickly diseases such as Clostridium difficile (C. Diff.).

22 May 2007

New strategy to inoculate medical staff in a pandemic situation

Community preparedness for a bioterrorism attack or influenza outbreak has been the focus of much interest and effort in recent years.

22 May 2007

Cigarette use may explain asthma epidemic in children

The rise in cigarette use by adults over the past century may explain the asthma epidemic in children according to a study by researchers at the Mailman School of Public Health.

22 May 2007

Care received in chain-owned nursing homes generally not on par with care received in nonprofit and singly-owned nursing homes

Standard marketing and strategic planning practices can hurt patient care throughout a nursing home chain, but only if too much emphasis is placed on such administrative standards to the detriment of clinical and facility standards, a new study indicates.

22 May 2007