Current Month 2005
Article Features
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Ancient Chinese Remedy Shows Potential in Preventing Breast Cancer
Dose-dense Chemotherapy for Early Breast Cancer Found Safe, Similar to Standard Regimen
Rapid Emotional Recovery of Breast Cancer Survivors Surprises Researchers
Researchers Uncover Mechanisms of Estrogen in Promoting Cell Death in Breast Cancer
Women Who Undergo Reconstructive Breast Implantation Frequently Develop Short-Term Complications
Simple Lifestyle Changes Can Protect Against Breast Cancer
Low-dose Chemotherapy plus Antiangiogenesis Drug Has Activity in Advanced Breast Cancer
Study Demonstrates Role of Exercise in Modifying Melatonin Levels
Computer Aided Evaluation May Improve Accuracy in Breast MRI Interpretation
Risk of Second Cancer after Breast Cancer
Treatment of Breast Cancer in Pregnancy
Protein Marker Associated with Positive Outcome in Invasive Breast Cancer
Distance From Radiation Therapy Facility Impacts Breast Cancer Treatment
New Technology May Help Radiologists Find More Breast Cancers
Tamoxifen Benefit for Breast Cancer Patients Tied to Inherited Gene
Transmitting Mammograms Over the Internet to Improve Screening


Young Women Who Smoke at Higher Risk of Breast Cancer

Researchers report in the journal Mayo Clinic Proceedings their study of postmenopausal women which supports the hypothesis that women who smoke cigarettes before first full-term pregnancy have a 20 percent increased risk of breast cancer compared with women who began smoking after the birth of their first child or were never smokers.

The study is a strong indicator of the continued need for smoking prevention messages to all, but especially ones tailored to this group of young women.

"Considering the young average age at smoking initiation, this study provides further justification for smoking prevention efforts aimed at young women," says Janet Olson, Ph.D., a Mayo Clinic Rochester researcher and the lead author of the study.

The risk estimates for women who smoked before their first pregnancy were 20 percent higher than those of nonsmokers. These levels of risk elevation are consistent with the risk levels reported from other epidemiological studies of cigarette smoking and breast cancer risk, says Olson. Women who started smoking after their first pregnancy had rates of breast cancer similar to those women who never smoked.

The researchers did not find evidence that duration of smoking or number of cigarettes smoked per day affected risk of breast cancer among the smokers.

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