Tag: "premenopausal" at medical news

Breast-cancer risk linked to exposure to traffic emissions at menarche, first birth

...c emissions, was associated with increased risk of premenopausal breast cancer. However, for postmenopausal women,... risk for exposure at menarche and first birth for premenopausal and postmenopausal participants, respectively, who were lifetime nonsmokers, there was no associatio...

Human eggs can develop from ovarian surface cells in vitro

...anced maternal age. In addition, a colonization of premenopausal ovaries with younger oocyte and granulosa stem cells may establish a new cohort of primary follicles. This may result in a 10- to 12-year delay of the onset of natural menopause. Also, these ovarian stem cells could be used to generate several cell t...

Other highlights in the May 18 JNCI

...in Premenopausal Women A new study has found that premenopausal women who had elevated blood levels of the androge...ave an increased risk of breast cancer. Studies of premenopausal women, however, have produced unclear results. To examine the relationship between premenopausal blo...

Birth weight and breastfeeding in infancy may affect premenopausal breast cancer risk

...se for postmenopausal women. Results showed that premenopausal women whose birth weight was greater than 8.5 pounds, and premenopausal women who had not been breast fed as infants, had an almost two-fold risk of developing breast cance...

The link between passive and active smoking and breast cancer

...o passive smoking (second-hand smoke) may increase premenopausal breast cancer risk. The study is available via Wil...with poorer second-hand smoke measures. Overall, premenopausal breast cancer risk was elevated 68 percent with passive smoking among life-long non-smokers. The pre...

OHSU researchers uncover cause, possible treatment for abdominal fat in postmenopausal women

...ssed decreased cortisol at levels close to that of premenopausal women. The findings also suggest that over time, this group of women may also witness a decrease in abdominal fat. However, more long-term studies involving delayed estrogen replacement therapy would be required to confirm this theory....

Breast cancer screening trial shows digital mammogram benefits

...n screen film mammography in women 50 and younger, premenopausal and perimenopausal women, and women with dense breasts. However, the trial, conducted by the American College of Radiology Imaging Network (ACRIN) in conjunction with the Center for Statistical Sciences at Brown Medical School, showed no difference b...

UVa participates in landmark breast cancer screening trial

...n screen film mammography in women 50 and younger, premenopausal and perimenopausal women, and women with dense bre...o get a quality mammogram. But if you're under 50, premenopausal or know you have dense breast tissue, you should consider having a digital mammogram at your next sc...

Left handedness may be linked to increased risk of breast cancer

...ed women were more than twice as likely to develop premenopausal breast cancer as non-left handed women. Adjusting for risk factors hardly affected the overall association. The origin of the association may lie in exposure to high levels of sex hormones before birth, which can induce left handedness as well as cha...

Other highlights in the October 5 JNCI

...ncer. The meta-analysis did show a reduced risk of premenopausal breast cancer in breast-fed women, but the authors caution that the observed reduction could have arisen by bias or chance. Contact: Cherry Lewis, Research Communications Manager, University of Bristol, +44 (0)117 928 8086, cherry.lewis@bristol.ac.u...

New model shows gender differences in high blood pressure, Jefferson scientists find

...great model for human hypertension, especially for premenopausal women," says Dr. Eckhart, who is director of the Eugene Feiner Laboratory in the Center for Translational Medicine in the Department of Medicine at Jefferson Medical College. "Is the difference due to a protective effect of estrogen, or because males...

Infertility researchers identify one gene's critical role in the human embryo implantation process

...men with endometriosis, a condition affecting many premenopausal women who also suffer from infertility," explains Lee-Chuan Kao, MD, PhD., a reproductive medicine specialist at Cedars-Sinai and co-director of the hospital's Center for Reproductive Medicine. "My interest was to determine exactly the molecular mec...

NHLBI research highlights at American Heart Association's scientific sessions

...s. The scientists found no similar relationship in premenopausal women. NHLBI spokesperson: George Sopko, MD.; WISE Investigator: C. Noel Bairey Merz, Cedars Sinai Medical Center, LA. Contact Dr. Bairey Merz at Noel.BaireyMerz@cshs.org . *Importance of socioeconomic status in predicting heart attack and cardiov...

Artificial light at night stimulates breast cancer growth in laboratory mice

...searchers then took blood samples from 12 healthy, premenopausal volunteers. The samples were collected under three different conditions during the daytime, during the nighttime following 2 hours of complete darkness, and during the nighttime following 90 minutes of exposure to bright fluorescent light. These blo...

Oral contraceptive pill may prevent more than pregnancy

...ed in The Journal of Sexual Medicine, involved 124 premenopausal women with sexual health complaints for more than 6 months. Three groups of women were defined: i) 62 "Oral Contraceptive Continued-Users" had been on oral contraceptives for more than 6 months and continued taking them, ii) 39 "Oral Contraceptive Di...

Soy phytoestrogens may block estrogen effects

...Wood. However, he said the study may not apply to premenopausal women, who have higher and more dynamic hormone levels, or to women taking combined hormone therapy with an estrogen and a progestin. The senior investigator of the study was J. Mark Cline, D.V.M., Ph.D. Other researchers involved in the study were T...

Non-BRCA hereditary breast cancer linked to new cancers

..." The impact of these results is most apparent for premenopausal women, in who 1 in 5 will develop CBC after only 10 years. Consequently, conclude the authors, "it is important to consider and provide information about the risk of CBC."...

Korean breast cancer patterns reflect those of Western countries

...46 years. About 64.9 percent of cases occurred in premenopausal women younger than age 50. The proportion of asymptomatic patients whose cancer was detected by mammography increased from 3.8 percent in 1991 to 21 percent in 2003. The proportion of early cancers (stages 0 and 1) also increased between 1991 and 2...

Medication plus oral contraceptive may improve female pattern hair loss

...osage and mode of administration of finasteride in premenopausal women and to definitively assess the efficacy of this drug compared with oral antiandrogens."...

Transition to menopause associated with new onset of depressive symptoms

...iladelphia, and colleagues evaluated data from 231 premenopausal women who had no history of depression at the start of the study. The participants ranged in age from 35 to 47 and were followed for eight years. At set intervals, blood samples were obtained to determine hormone levels and trained research intervi...

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(Date:7/28/2014)... RENO Norwegian explorer Roald Amundsen became the first ... 1911. More than 100 years later, an international team ... Research Institute (DRI) have proven that air pollution from ... 16 ice cores collected from widely spaced locations around ... created the most accurate and precise reconstruction to date ...
(Date:7/27/2014)... nicotine and cotinine, a metabolite of nicotine, can potentially ... smoke. , The carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone or NNK is produced ... up in the tobacco smoke. Once inhaled, it is ... activated by a variety of enzymes called Cytochrome P450 ... can partially interfere with the activation of NNK, and ...
(Date:7/27/2014)... wiped them out if it had taken place slightly ... fresh study using up-to-date fossil records and improved analytical ... of the prehistoric creatures, demise, some 66 million years ... years before a 10km-wide asteroid struck what is now ... volcanic activity, changing sea levels and varying temperatures. ...
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