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Hoe borstkanker en herhaling voorkomen?*
Uit de grootste analyse van ruim 950 studies blijkt dat door een veranderde levensstijl borstkanker voor een groot gedeelte te voorkomen is. Een goed gewicht, hooguit 1 glas alcohol per dag en iedere dag 30 minuten bewegen doet de kans op borstkanker met ruim 40% afnemen. Uit een andere studie blijkt dat voor zij die reeds borstkanker hebben de kans op herhaling ook ruim 40% kleiner wordt door iedere dag 30 minuten te bewegen.
Preventing Breast Cancer: Largest-Ever Review Completed
The largest review of research into lifestyle and breast cancer ever conducted has confirmed that women can reduce their risk by maintaining a healthy weight, being physically active, drinking less alcohol and breastfeeding their children. 
The massive American Institute for Cancer Research/World Cancer Research Fund (AICR/WCRF) project looked at the evidence on the links between breast cancer and diet, body weight and physical activity. 
The new study is an update to the breast cancer chapter of Food, Nutrition, Physical Activity and the Prevention of Cancer: a Global Perspective, the expert report on cancer prevention published by AICR and WCRF in 2007. The conclusions on breast cancer in the 2007 report were based on data from 873 studies, while the newly updated review includes evidence from an additional 81 studies that have been published since then. The update will be published on the Expert Report website, http://www.dietandcancerreport.org. 
Estimate: Over 70,000 US Breast Cancer Cases Preventable Every Year
"This study represents the clearest picture we have ever had on how lifestyle affects a woman's risk of breast cancer," said Professor Martin Wiseman, MD, Medical and Scientific Adviser for AICR and WCRF. 
"We are now more certain than ever that by maintaining a healthy weight, being physically active and limiting the amount of alcohol they drink, women can dramatically reduce their risk." 
"We estimate that almost 40 per cent of breast cancer cases in the US - or about 70,000 cases every year - could be prevented by making these straightforward everyday changes," added AICR Director of Research Susan Higginbotham, PhD, RD. 
New Report Reinforces AICR Recommendations
- Because of the link between excess body fat and cancer, AICR recommends aiming to be as lean as possible without becoming underweight. 
- AICR also recommends being physically active for at least 30 minutes every day. 
- If you drink at all, limit consumption to two drinks a day for a man and one for a woman. 
- AICR also recommends that mothers breastfeed exclusively for up to six months and then add other liquids and foods. Evidence is convincing that mothers who breastfeed reduce their risk for breast cancer. There is also probable evidence that children who are breastfed have a lower risk of gaining excess weight as they grow. 
A Continuous Review of Recommendations 
The report on breast cancer is part of the Continuous Update Project, a unique effort run by AICR and WCRF. The long-term goal is to continuously update the findings of the AICR/WCRF 2007 expert report so that cancer prevention advice is always based on the latest research. 
Breast cancer is the first type of cancer the researchers have looked at as part of this update project, and they have now added started to review the evidence for colon cancer and prostate cancer, both of which are expected to finish early in 2010. The long-term aim is for the evidence on every type of cancer to be continually updated. 
Empowering Individuals with the Latest Information 
Marilyn Gentry, Chief Executive of AICR and WCRF, said, "As a cancer charity we believe people should have access to advice that's based on the latest scientific research - that's why we are so proud of our Continuous Update Project. 
"When people read about new research, it's hard for them to take the findings and put them in a meaningful context - to weigh new results against the research that has gone before. This project exists to help them do just that. 
"The project is still in its early stages, but we are dedicated to providing people around the world with access to up-to-date advice about how they can make everyday changes that reduce their cancer risk. This is a vital part of the global fight against cancer." 
Notes 
1. For more information on the Continuous Update project, visit http://www.dietandcancerreport.org/cu 
2. The AICR/WCRF report, Food, Nutrition, Physical Activity, and the Prevention of Cancer: a Global Perspective, was launched in November 2007 and is the most comprehensive report ever published on the link between cancer and lifestyle. For more information, visit http://www.dietandcancerreport.org. 
Source
American Institute for Cancer Research

Walking Can Decrease Breast Cancer Recurrence 40 Percent
When it comes to further minimizing the chance of breast cancer recurrence, Dr. Carolyn Kaelin, a Harvard surgeon, breast cancer survivor and author of The Breast Cancer Survivor's Fitness Plan, says, "Brisk walking - about 3.0 mph on a treadmill - for three to five hours per week, or about 30 minutes a day, can net big benefits for breast cancer survivors."
Kaelin, in conjunction with The Breast Cancer Research Foundation (BCRF) and CYBEX exercise equipment, is promoting brisk walking and the benefits of cardio exercise through CYBEX Pink Ribbon Run for Breast Cancer Awareness Month, this October.
Research from The Nurses Health Study published in the Journal of American Medical Association (JAMA) tracked nearly 3,000 women up to 14 years after their breast cancer diagnosis and found that cardiovascular and aerobic physical activities reduced the likelihood of breast cancer recurrence and increased the odds of living longer.
"Recurrence rates and deaths from breast cancer decreased by 40 percent among those who exercise at least 3-5 hours per week, compared with those who were sedentary," Kaelin added. "It does not need to be running a marathon, or biking a century, but rather simply walking briskly most days on a treadmill, at a shopping mall or around a track, that further reduces breast cancer recurrence for those who have been treated for the condition. For all women, in addition to physical activity helping to optimize body weight and reduce high blood pressure, heart disease and diabetes, scientific research is more strongly pointing to the positive effects of cardio-vascular exercise in reducing breast cancer risk and the risks of other forms of cancer, too."
The first-ever, custom-made pink treadmills have been produced by CYBEX, a leading manufacturer of exercise equipment, to log miles and raise funds for (BCRF). As part of the CYBEX Pink Ribbon run, the pink treadmills are being sold and installed in health clubs, YMCA's, hotels and spas, student recreation centers, corporate employee gyms and other exercise facilities around the country. CYBEX will donate 10 cents for every mile logged on any pink CYBEX 750T treadmill throughout the month of October 2009 to BCRF.
"This is a great strategic alliance with corporate America and BCRF whose mission is to achieve prevention and a cure for breast cancer in our lifetime," states Myra J. Biblowit, President of the BCRF. "Partnering with CYBEX to promote the importance of exercise is a natural synergy and underscores BCRF's mission to provide critical funding for innovative clinical and translational research and to increase public awareness about good breast health."
"There are hundreds of pink treadmills in fitness facilities that will raise funding for breast cancer research and we're also conveying an important message on the benefits of exercise in reducing the risk of breast cancer and for breast cancer survivors," stated Joan Carter, Executive Director of the CYBEX Pink Ribbon Run.
Source: CYBEX (Oktober 2009)