Vidyya Medical News Service
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Volume 7 Issue 26 Published - 14:00 UTC 08:00 EST 26-Jan-2005 Next Update - 14:00 UTC 08:00 EST 27-Jan-2005
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A new form of muscular dystrophy identified
Mayo Clinic researchers have identified a previously unknown form of muscular dystrophy, a group of genetic diseases characterized by progressive weakness and muscle degeneration. This newly identified form develops after age 40 and causes heart muscle damage, limb muscle weakness and nerve damage. The researchers have named the newly defined disorder "zaspopathy" (Zas-PO-path-ee).  more

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Report assesses health implications of perchlorate ingestion
A new report by the National Academies' National Research Council on the health effects of perchlorate, a chemical that in high doses can decrease thyroid function in humans and that is present in many public drinking-water supplies, says daily ingestion of up to 0.0007 milligrams per kilogram of body weight can occur without adversely affecting the health of even the most sensitive populations. That amount is more than 20 times the "reference dose" proposed by the U.S. Environmental Protection Agency in a recent draft risk assessment.  more

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Potentially harmful fluoride levels found in some instant teas
Instant tea, one of the most popular drinks in the United States, may be a source of harmful levels of fluoride, researchers at Washington University School of Medicine in St. Louis report. The researchers found that some regular strength preparations contain as much as 6.5 parts per million (ppm) of fluoride, well over the 4 ppm maximum allowed in drinking water by the Environmental Protection Agency and 2.4 ppm permitted in bottled water and beverages by the Food and Drug Administration.  more

 


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Stem cells given in minimally invasive procedure improve heart function
Patients with severe congestive heart failure who had exhausted all other treatment options showed markedly improved heart function following a procedure in which their own stem cells were deployed directly into the heart by way of four tiny incisions in the chest.  more

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More studies on risks and benefits of COX-2 inhibitors published in Archives of Internal Medicine
A group of studies published in the January 24 issue of Archives of Internal Medicine add to the growing body of medical literature about the cardiovascular risks that may be associated with the class of pain-relieving drugs known as COX-2 inhibitors.  more

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Observational study of patients on COX-2 inhibitors does not show increased cardiovascular risk
An observational study of 6,250 patients enrolled in the Maryland Medicaid program found that COX-2 inhibitors did not increase the risk for cardiovascular events over nonnaproxen NSAIDs in a high-risk population. more

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Patients taking warfarin along with NSAIDs or COX-2 inhibitors have increased risk of upper gastrointentinal hemorrhage
Patients taking warfarin at the same time as selective COX-2 inhibitors or nonselective NSAIDs have an increased risk of hospitalization for upper gastrointestinal (GI) hemorrhage, according to Canadian researchers analyzing health care databases.  more

 
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