Volume 7 Issue 229
Published - 14:00 UTC 08:00 EST 17-Aug-2005 
Next Update - 14:00 UTC 08:00 EST 18-Aug-2005

Editor: Susan K. Boyer, RN
Vidyya.
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Protein that regulates aging may provide key to new diabetes therapies

Opening the possibility of new therapies for type 2 diabetes, researchers at Washington University School of Medicine in St. Louis have found that a protein called Sirt1 enhances the secretion of insulin in mice and allows them to better control blood glucose levels. Their study will appear in the August 17 issue of Cell Metabolism. more  

Brightly-colored fruit and veg may protect against arthritis

Researchers from The University of Manchester's Medical School have discovered that eating more brightly-coloured fruits and vegetables like oranges, carrots and sweetcorn may help reduce the risk of developing inflammatory disorders like rheumatoid arthritis. more

Common painkillers linked to high blood pressure in women

Women who consume higher doses of non-aspirin painkillers are much more likely to develop high blood pressure than women who do not use them, according to research reported in Hypertension: Journal of the American Heart Association. more  

Gene's discovery could help prevent a leading cause of blindness in the elderly

University of Pittsburgh researchers have discovered a gene linked to age-related maculopathy (ARM), the leading cause of untreatable blindness in the elderly. Their discovery suggests a simple test might be able to identify those at risk for what is commonly known as macular degeneration (AMD) and may lead to the development of more effective preventive strategies. more

Scientists Find Cell Surface Enzyme Matriptase Causes Cancer  

Scientists at the National Institute of Dental and Craniofacial Research (NIDCR) and colleagues report in animal studies that a single, scissor-like enzyme called matriptase, when left to its own devices, can cause cancer. more

Methamphetamine abuse, HIV infection cause changes in brain structure  

New research published in the August 2005 issue of the American Journal of Psychiatry indicates that methamphetamine abuse and HIV infection cause significant alterations in the size of certain brain structures, and in both cases the changes may be associated with impaired cognitive functions, such as difficulties in learning new information, solving problems, maintaining attention and quickly processing information. Co-occurring methamphetamine abuse and HIV infection appears to result in greater impairment than each condition alone. more

Detecting smaller breast tumors contributed to longer survival trend

A retrospective study of women diagnosed with breast cancer from 1975 to 1999 suggests that a trend toward detection of smaller tumors over those 25 years contributed to the improved 5-year survival rates during that period, according to study published online August 8 in Cancer. more

 

Brightly colored fruit -- The newest weapon against arthritis?