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Glucosamine promotes longevity in worms and mice, study says  By Monte Morin                                                          April, 8, 2014

Researchers in Europe say glucosamine helped to extend the life span of worms and aging mice by mimicking a low-carbohydrate diet.

 

In a paper published Tuesday in Nature Communications, scientists from Germany and Switzerland reported that the popular supplement extended the life span of roundworms by 5% and old mice by almost 10%.

 

Glucosamine has been marketed for years as a treatment forarthritis and a promoter of joint health, but recent studies have argued that the supplement does not prevent cartilage deterioration or ease knee pain."Nevertheless, glucosamine has been in long-term use in humans for several decades and induces no relevant side effects aside from occasional allergic reactions," wrote senior study author Michael Ristow, a medical researcher at the Energy Metabolism Laboratory at the Swiss Federal Institute of Technology Zurich. The researchers said that glucosamine increased the breakdown of fatty acids and amino acids, similar to what happens when organisms exist on a low-carbohydrate diet. 

Simple Tests Can Reduce Heart Attack Deaths       By Lisa Collier Cool                                                                               April 20, 2014

Simple, widely available tests—one of which only costs $15—could help prevent heart attack deaths, according to new research. One of the studies, published in the journal Heart , is first to show that an electrocardiogram (ECG) administered by paramedics in ambulance crews is associated with improved survival after a heart attack, according to lead study author professor Tom Quinn from the University of Surrey.

 

People who received an ECG—a test that records the heart’s rhythms and electrical activity—in the ambulance had significantly lower 30-day death rates, compared to those who did not receive the test.  In the United States, however, only about 25 percent of such patients get an ECG in the ambulance, despite scientific evidence showing that getting one leads to faster treatment, the study authors report.

 

A simple, widely available blood test could help predict which patients with chest pain are at risk for a heart attack, according to another new study published in Journal of the American College of Cardiology. The test checks for levels of a biomarker called high-sensitivity cardiac troponin T (hs-cTnT), a substance released when heart muscle dies. Higher-than-normal levels of hs-cTnT are a sign of heart damage and elevated risk for a heart attack. 

 

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