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New hope for leptin as a solution to obesity

The discovery more than a decade ago of leptin, an appetite-suppressing hormone secreted by fat tissue, generated headlines and great hopes for an effective treatment for obesity.

6 Jan 2009

Discovery of new way for bacteria to transfer toxic genes to unrelated bacterial species

In a laboratory experiment, the scientists from NYU School of Medicine discovered that Staphylococcus aureus, a notorious bacterium that causes toxic shock syndrome and many other types of infections and is the scourge of hospitals nationwide due to its growing antibiotic resistance, could co-opt viral parasites as secret pipelines for transferring toxin genes to vastly different bacterial species.

6 Jan 2009

Novel treatment option for obesity

A new study in the January 7th issue of Cell Metabolism , a Cell Press publication, helps to explain why obese people and animals fail to respond to leptin, a hormone produced by fat that signals the brain to stop eating.

6 Jan 2009

Sildenafil may help protect heart from high blood pressure damage

Johns Hopkins and other researchers report what is believed to be the first direct evidence in lab animals that the erectile dysfunction drug sildenafil amplifies the effects of a heart-protective protein.

5 Jan 2009

First national study on nursing home social workers

Social workers play a vital role in improving the quality of nursing home residents' lives.

5 Jan 2009

Maternity leave appears to decrease cesarean deliveries and increase breastfeeding

Two new studies led by researchers at the University of California, Berkeley, suggest that taking maternity leave before and after the birth of a baby is a good investment in terms of health benefits for both mothers and newborns.

5 Jan 2009

Appropriate use criteria for coronary revascularization

If you're committed to fitness, the decision to climb a couple of flights of stairs rather than take the elevator is clear. But if you develop chest pain on the way up, deciding how to treat the symptoms of clogged arteries in your heart is much more complicated.

5 Jan 2009

Mothers pass on disease clues, prime offspring for the environment they will live in

When there is a threat of disease during pregnancy, mothers produce less aggressive sons with more efficient immune systems, researchers at The University of Nottingham have discovered.

5 Jan 2009

Childhood trauma associated with increased risk for chronic fatigue syndrome

Childhood trauma is a potent risk factor for development of chronic fatigue syndrome (CFS), according to a study by researchers at Emory University School of Medicine and the Centers for Disease Control and Prevention (CDC).

5 Jan 2009

Discovery of new syndrome associated with severe congenital neutropenia

A team of scientists has discovered a new syndrome associated with severe congenital neutropenia (SCN), a rare disorder in which children lack sufficient infection-fighting white cells, and identified the genetic cause of the syndrome: mutations in the gene Glucose-6-phosphatase, catalytic subunit 3 (G6PC3).

5 Jan 2009

Expectant brains help predict anxiety treatment success

A network of emotion-regulating brain regions implicated in the pathological worry that can grip patients with anxiety disorders may also be useful for predicting the benefits of treatment.

5 Jan 2009

Dormant cancer cells rely on cellular autophagy to survive

A single tumor-suppressing gene is a key to understanding, and perhaps killing, dormant ovarian cancer cells that persist after initial treatment only to reawaken years later, researchers at The University of Texas M. D. Anderson Cancer Center report in the December Journal of Clinical Investigation.

5 Jan 2009

Antioxidant supplementation effective in relieving pain in chronic pancreatitis

Antioxidant supplementation was found to be effective in relieving pain and reducing levels of oxidative stress in patients with chronic pancreatitis (CP), reports a new study in Gastroenterology.

1 Jan 2009

Researchers identify common gene variant linked to high blood pressure

Researchers at the University of Maryland School of Medicine have identified a common gene variant that appears to influence people's risk of developing high blood pressure, according to the results of a study being published online Dec. 29, 2008 in the Proceedings of the National Academy of Sciences (PNAS).

30 Dec 2008

Transcendental meditation reduces ADHD symptoms among students

The Transcendental Meditation technique may be an effective and safe non-pharmaceutical aid for treating ADHD, according to a promising new study published this month in the peer-reviewed online journal Current Issues in Education.

30 Dec 2008

New study examines effects of chlorine gas disaster in South Carolina

A new study examining the aftereffects of a chlorine gas disaster in a South Carolina town gives larger metropolitan areas important insight into what to expect and how to prepare emergency response systems for an accidental or terrorist release of the potentially deadly gas.

30 Dec 2008