Vidyya Medical News Service
Volume 5 Issue 251 Published - 14:00 UTC 08:00 EST 8-Sep-2003 Next Update - 14:00 UTC 08:00 EST 9-Sep-2003
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Black cohosh targets the brain's thermostat to reduce hot flashes
Black cohosh, a medicinal herb increasingly used by women as an alternative to estrogen replacement therapy, may reduce hot flashes by targeting serotonin receptors some of the same receptors used by the brain to help regulate body temperature according to a team of researchers from the University of Illinois at Chicago.  more

Black cohosh: Toxicology
An intake of black cohosh at very high dosages (5 g of drug or 12 g of extract) leads to vomiting, headache, dizziness, limb pains, and lowered blood pressure. Overdosing during pregnancy can cause premature birth (Duke, 1985; Tyler, 1997; PDR Herbal, 1998).  more


Information for patients and professionals: Questions and answers about black cohosh and the symptoms of menopause
A study in this week's BMJ questions whether ambulance crews can master the skills needed to provide emergency intubation (passing a breathing tube down the throat of severely injured patients) before they reach hospital.  more

A faster, more accurate test for mad cow disease
As U.S. consumers seek reassurance that their hamburgers and steaks are free of deadly mad cow disease, researchers at the University of California-San Francisco say they may have found a promising solution. They've developed a faster, more reliable test for identifying the disease, possibly even in living cows. Current tests can only detect the disease after the cow dies.  more

Information for patients: Prehypertension - A new category in blood pressure guidelines
The advice for keeping a healthy blood pressure has long been to exercise, lose weight, eat healthy foods and cut back on salt. But what doctors consider to be a healthy range for blood pressure has now changed significantly, according to an expert panel assembled by NIH's National Heart, Lung, and Blood Institute (NHLBI). A review of the latest evidence led the panel to establish a new category, "prehypertension", to warn people whose blood pressure readings place them at higher risk for serious health problems. That's why it's more important than ever for people to have their blood pressure taken regularly and to understand the reading.  more

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