Navigation Links
Smoking May Raise Risk of Death in Women With Breast Cancer
Date:11/8/2010

By Kathleen Doheny
HealthDay Reporter

MONDAY, Nov. 8 (HealthDay News) -- Breast cancer patients who smoke or previously smoked have a higher risk of dying than nonsmokers with breast cancer, new research finds.

"Women who were smokers or had a history of smoking had a 39 percent higher rate of death due to breast cancer," said study author Dr. Dejana Braithwaite, an assistant professor of cancer epidemiology at the Helen Diller Family Comprehensive Cancer Center of the University of California, San Francisco. Their risk of death from other causes was also elevated, she said.

The findings are to be presented at the American Association for Cancer Research's annual meeting on cancer prevention research in Philadelphia, which runs through Wednesday.

Previous studies looking at the relationship between active smoking (as opposed to secondhand smoke) and survival among women with breast cancer have produced mixed findings, she said.

"The strength of our study is, it's a very large study of over 2,000 women diagnosed with breast cancer" at two sites in the United States, she said.

For this study, Braithwaite followed 2,265 women of many ethnicities, all diagnosed with breast cancer between 1997 and 2000, for nine years on average. The researchers looked at whether smoking affects breast cancer-related death rates and death rates from other causes.

During the follow-up, 164 women died of breast cancer and another 120 from other causes.

Besides a 39 percent higher rate of dying from breast cancer, the smokers and former smokers had an even higher rate of dying from other causes -- twofold -- compared to never smokers. Past smoking was defined as having smoked 100 or more cigarettes in their lifetime.

Looking at subgroups, Braithwaite found that the women most affected by smoking were those with tumors known as HER2 negative, those of lower body weight, and those past menopause.

The link can't be explained definitively, she said. One possibility is that the chemicals in tobacco smoke can make breast cancer more aggressive. But the assumption is, the longer one has gone without smoking, the less the risk, Braithwaite said.

In the study, 893 were former smokers, 173 current and 1,199 never-smokers.

"Their study is important," said Daniel Wartenberg, a professor of epidemiology at the Environmental and Occupational Health Sciences Institute at the Robert Wood Johnson Medical School in Piscataway, N.J. He previously studied the effect of passive smoking on breast cancer death rates and found no link.

If these findings are confirmed by other studies, he said, "that's a really important message, that getting people to stop smoking and prevent exposure may have a significant effect on reducing cancer deaths."

More information

To learn more about risk factors for breast cancer, visit the American Cancer Society.

SOURCES: Dejana Braithwaite, Ph.D., assistant professor, cancer epidemiology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco; Daniel Wartenberg, Ph.D., professor, epidemiology, Robert Wood Johnson Medical School, Environmental and Occupational Health Sciences Institute, Piscataway, N.J.; Nov. 7-10, 2010, American Association for Cancer Research's Frontiers in Cancer Prevention Research annual meeting, Philadelphia


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Childhood stroke study identifies the contraceptive pill and smoking as risk factors
2. Heavy Smoking Linked to Alzheimers in Study
3. Postpartum intervention/support prevents smoking relapse, extends breastfeeding duration
4. $12 million grant to study young adult smoking behaviors
5. New study finds positive return on investment for states that invest in quit smoking treatments
6. Smoking Could Harm Sperm, Study Finds
7. Decline in Adult Smoking Stalls, Alarming Experts
8. Penn receives $12 million NIH grant to research personalized approach to smoking cessation
9. Stopping smoking cessation treatments too soon may reduce odds of success for 45 percent of smokers
10. Governments should pay for smoking cessation therapies
11. Smoking increases depressive symptoms in teens
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Smoking May Raise Risk of Death in Women With Breast Cancer
(Date:4/29/2016)... ... April 29, 2016 , ... ... enterprise focused entirely on patients with cancer, today announced that Lynne Malestic, RN, ... the 2016 CURE® Extraordinary Healer® for Oncology Nursing , which honors nurses ...
(Date:4/29/2016)... ... April 29, 2016 , ... Natren, ... animal line of probiotics, Petbiotics ™, as they fondly call them. As ... rescue groups networking for their non-profit organizations. Animal rescues across the nation face ...
(Date:4/29/2016)... ... April 29, 2016 , ... Coalition ... muscular dystrophy, and funding for Duchenne research, participated in the April 25 U.S. ... Therapeutic’s novel Duchenne drug eteplirsen. The meeting at the Marriott Conference Center in ...
(Date:4/29/2016)... ... 29, 2016 , ... The Society for Assisted Reproductive Technology ... required to report in vitro fertilization (IVF) delivery rates to both ... of assisted reproductive technologies in the United States. , This year, SART’s ...
(Date:4/29/2016)... CA (PRWEB) , ... April 29, 2016 , ... The ... the workforce is aging – meaning that there is an urgent need for highly ... and interactive training solution, delivering a multi-pronged approach to train and retain care managers, ...
Breaking Medicine News(10 mins):
(Date:4/29/2016)... ReportsnReports.com adds "Pulmonary Arterial ... report that provides an overview of the PAH ... stages, therapeutics assessment by drug target, mechanism of ... type, along with latest updates, and featured news ... involved in the therapeutic development for Pulmonary Arterial ...
(Date:4/29/2016)... 29, 2016 ... Sanofi, leader mondial et ... résultats pour le premier trimestre 2016. ... Contamine, commente les résultats du premier ... pour le reste de l,année. ...
(Date:4/29/2016)... April 29, 2016 Automation is ... laboratory due to the growing demands for productivity in ... contemporary automated systems are already adept of a wide ... tedious and manual labor. Instrumentation continues to evolve, and ... conceivable just a few years ago. Originally used mostly ...
Breaking Medicine Technology: