Vidyya Medical News Service
Volume 6 Issue 175 Published - 14:00 UTC 08:00 EST 23-Jun-2004 Next Update - 14:00 UTC 08:00 EST 24-Jun-2004
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Estrogen-alone hormone therapy could increase risk of dementia in older women
Older women using estrogen-alone hormone therapy could be at a slightly greater risk of developing dementia, including Alzheimer's disease (AD), than women who do not use any menopausal hormone therapy, according to a new report by scientists with the Women's Health Initiative Memory Study (WHIMS). The scientists also found that estrogen alone did not prevent cognitive decline in these older women.  more

Information for patients: Understanding risk -- What do those headlines really mean?
Every day in the newspaper or on television we see stories about new medical findings. Perhaps we hear that a certain drug causes a 300% or 3-fold increase in strokes. That’s a large increase—it sounds scary. But, if you know that in every 10,000 people not taking the drug, there are 2 strokes, then a 3-fold increase really only means 6 more strokes. Maybe that’s not quite so frightening. It’s also confusing that sometimes stories seem to report opposite results—a new vaccine prevents a devastating infection, or it doesn’t. How are we to make sense of such stories? How do we know what to believe?  more

Deep periodontal pockets increase the risk for electrocardiographic abnormalities
People with deep periodontal pockets had an increased risk for electrocardiographic abnormalities (ECG) according to a recent study printed in this month's issue of the Journal of Periodontology.  more


Metabolic processes in obese pregnant women are not altered by gestational diabetes
Gestational diabetes is a type of diabetes, or high blood sugar, that only pregnant women get. If a woman is found to have high blood sugar when she's pregnant, but she never had high blood sugar before, she has gestational diabetes. Nearly 135,000 pregnant women get the condition every year, making it one of the top health concerns related to pregnancy.  more

Ovarian stimulation of male steroids culprit behind polycystic ovary syndrome (PCOS)
A woman finds herself with excessive facial hair, obesity, menstrual abnormalities, infertility, and enlarged ovaries may have polycystic ovary syndrome (PCOS), an unfortunate condition thought to be caused by excessive secretion by the ovaries of androgen, a hormone associated with male characteristics. Men and women both have hormones expressing male and female characteristics. Yet, the cause of this excessive secretion of a hormone leading to undesired gender traits remains unclear.  more

US women with past history of hysterectomy unnecessarily screened for cervical cancer
Many women in the United States who have had a hysterectomy are undergoing Papanicolaou (PAP) smear screening even though they are not at risk of cervical cancer, according to a report in the June 23/30 issue of The Journal of the American Medical Association (JAMA).  more

Common 'signature' found for different cancers
Researchers at the University of Michigan, Johns Hopkins and the Institute of Bioinformatics in India have discovered a gene-expression "signature" common to distinct types of cancer, renewing hope that a universal treatment for the nation's second leading killer might be found. more

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