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Sunday, September 9, 2012

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News


Blood sugar control does not help infants and children undergoing heart surgery, study finds

Posted: 08 Sep 2012 05:16 AM PDT

Tight blood sugar control in infants and children undergoing heart surgery does not lower the risk of infection or improve recovery, according to a new study.

Surprising new roles for a key regulatory enzyme of blood pressure

Posted: 08 Sep 2012 05:16 AM PDT

Many patients with hypertension are treated with ACE inhibitors. These drugs block the angiotensin converting enzyme (ACE) that regulates the salt and water balance of the body and raises blood pressure. Recent studies, however, significantly broadened the enzyme's known task spectrum.

Skin and immune system influence salt storage and regulate blood pressure

Posted: 08 Sep 2012 05:16 AM PDT

High blood pressure is responsible for many cardiovascular diseases. High salt intake has long been considered a risk factor, but not every type of high blood pressure is associated with high salt intake. New findings now show that the skin and the immune system play an important role in the regulation of the sodium balance and hypertension, as he reported at a symposium in Berlin.

Treatment with fungi makes a modern violin sound like a Stradivarius

Posted: 08 Sep 2012 05:16 AM PDT

A good violin depends on the expertise of the violin maker, but also on the quality of the wood that is used. Professor Francis W. M. R. Schwarze of th Swiss Federal Laboratories for Materials Science and Technology has succeeded in modifying the wood for a violin through treatment with special fungi, making it sound indistinguishably similar to a Stradivarius.

Health care spending in last five years of life exceeds total assets for one quarter of U.S. Medicare population

Posted: 08 Sep 2012 04:36 AM PDT

As many as a quarter of U.S. Medicare recipients spend more than the total value of their assets on out-of-pocket health care expenses during the last five years of their lives, according to researchers. They found that 43 percent of Medicare recipients spend more than their total assets minus the value of their primary residences.

Tension on gut muscles induces cell invasion in zebrafish intestine, mimicking cancer metastasis

Posted: 07 Sep 2012 01:06 PM PDT

Towards a better understanding of how tissue stiffness drives cancer, researchers show that epithelial cells lining the intestine of zebrafish with a mutation of the smooth muscle myosin gene form protrusions called invadopodia that allow the cells to invade surrounding tissue. The protrusions form in response to contractions in surrounding smooth muscle cells.

Obstructive sleep apnea (OSA) increases cardiovascular mortality in the elderly

Posted: 07 Sep 2012 04:18 AM PDT

Untreated severe obstructive sleep apnea (OSA) is associated with an increased risk of cardiovascular mortality in the elderly, and adequate treatment with continuous positive airway pressure (CPAP) may significantly reduce this risk, according to a new study from researchers in Spain.

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