Newspaper article St Louis Post-Dispatch (MO)

Health News

Newspaper article St Louis Post-Dispatch (MO)

Health News

Article excerpt

CANCER

Skin Moles May Predict Risk Of Deadly Melanoma

People's risk of developing the most deadly kind of skin cancer can best be estimated by evaluating the number, size and appearance of moles on their skin, researchers reported Tuesday. Moles are a better predictor of malignant melanoma than the next best gauge - lifetime sun exposure, said the lead author of a new study, Dr. Margaret A. Tucker of the National Cancer Institute. In the study, the researchers underwent special training to identify abnormal moles by appearance - based on their typical large size, flatness, varying color, asymmetry and indistinct borders. The researchers agreed 87 percent of the time on how to classify moles, Tucker said. Then they counted the normal and abnormal moles among 716 melanoma patients and 1,030 melanoma-free patients and compared the groups. Findings are published in today's issue of The Journal of the American Medical Association. THE BRAIN Men Seem To Make More Of Mood-Control Chemical Women appear to manufacture much less of a key mood-regulating brain chemical than men do, which could help explain why women are more likely to suffer from psychological problems such as depression, Canadian researchers reported Monday. The researchers at McGill University in Montreal used new imaging techniques to measure serotonin secreted in the brains of eight healthy men and seven healthy women. As a group, the men produced 52 percent more of the important neurotransmitter than did the women. Mirko Diksic, a McGill neuroscientist, led the study, which was published in Tuesday's issue of the Proceedings of the National Academy of Sciences. PROSTATE CANCER `Safe' Reading On Test May Not Mean Safety A "safe" reading on a prostate cancer screening test that has become the gold standard for physicians may not always mean that a man is in the clear, according to research published today in the Journal of the American Medical Association. …

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