Vidyya Medical News Service
Volume 6 Issue 268 Published - 14:00 UTC 08:00 EST 24-Sep-2004 Next Update - 14:00 UTC 08:00 EST 25-Sep-2004
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Researchers discover how protein in teeth controls bone-like crystals to form steely enamel
Bone and enamel start with the same calcium-phosphate crystal building material but end up quite different in structure and physical properties.  more

Flexible pain relief with morphine-free poppy
A handful of genes in a morphine free poppy could hold the key to producing improved pain management pharmaceuticals.  more

Two views on suicide risk with antidepressants
The recent FDA proposal to force antidepressants to carry warnings about increased suicide risk is the subject of a pair of articles by leading experts in The Annals of Pharmacotherapy.  more


Sirolimus-eluting coronary stent significantly reduces incidence of reblocked heart arteries in women, including diabetics and smokers
An integrated analysis of data from multiple clinical trials demonstrates that female patients who received the CYPHER® Sirolimus-eluting Coronary Stent are five times more likely to avoid a repeat reblockage in the treated arteries than women treated with a bare metal stent, according to Cordis Corporation, a Johnson & Johnson company. Benefits were also seen in women with increased risks of heart disease due to diabetes and/or smoking.  more

Physiotherapy no better than advice for back pain
Routine physiotherapy for mild to moderate low back pain is no more effective than a single advice session with a physiotherapist, finds a study in this week's BMJ.  more

No role for simian virus 40 in human pleural mesotheliomas
Mesothelioma is an aggressive cancer of the chest cavity that kills about 2000 people a year in the United States. Seventy to eighty percent of patients with this rare cancer have had exposure to asbestos. It has also been proposed that simian virus 40 (SV40), a contaminant in some polio vaccines administered in the 1950's and 1960's, might be a cause. However, studies reporting the detection of SV40 DNA in human tumors (including mesotheliomas, and also some lymphomas, brain cancers, and bone cancers) have not consistently yielded the same results when repeated by other groups. more

Low doses of a common intravenous anesthetic may relieve debilitating pain syndrome
Limited, low-dose infusions of a widely used anesthetic drug may relieve the often intolerable and debilitating pain of Complex Regional Pain Syndrome (CRPS), a Penn State Milton S. Hershey Medical Center researcher found. more

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